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Things a Boy Should Know About Electricity
Things a Boy Should Know About Electricity

Chapter IX

Chapter 9 of Things a Boy Should Know About Electricity is here in full — 31 sentences across 7 reading sections, with audio for every sentence and word.

By Thomas M. (Thomas Matthew) St. John • Curated US English Learning Edition
Cover illustration for Things a Boy Should Know About Electricity
Context Illustration Reading 1/6 · 5 lines
English subtitles · tap any word to listen 1 / 5
HOW ELECTROPLATING AND ELECTROTYPING ARE DONE.
=81.
Electricity and Chemical Action.= We have just seen, Chapter VII., that the electric current has the power to decompose certain compounds when they are in solution.
By choosing the right solutions, then, we shall be able to get copper, silver, and other metals set free by electrolysis.
=82.
0:00 / 0:00
Speed 0.75x
AI-generated narration by OpenAI · Slow US English
LEARNER DICTIONARY
Archivist
/ˈɑːrkɪvɪst/
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A keeper or guardian of historical records and memories.

Things a Boy Should Know About Electricity

Chapter IX

Chapter 9 of Things a Boy Should Know About Electricity is here in full — 31 sentences across 7 reading sections, with audio for every sentence and word.

Reading 1/6 · 5 reading units · Lines 1–5

Line 1
HOW ELECTROPLATING AND ELECTROTYPING ARE DONE.
Line 2
=81.
Line 3
Electricity and Chemical Action.= We have just seen, Chapter VII., that the electric current has the power to decompose certain compounds when they are in solution.
Line 4
By choosing the right solutions, then, we shall be able to get copper, silver, and other metals set free by electrolysis.
/baɪ ˈtʃuːzɪŋ ðə raɪt səˈluːʃənz ðen wiː ʃæl biː ˈeɪbəl tuː ɡet ˈkɑːpər ˈsɪlvər ənd ˈʌðər ˈmetəlz set friː baɪ ɪˌlekˈtrɑːləsəs/
Line 5
=82.

Learner Dictionary

These definitions explain words found in the current reading and keep every example grounded in its original sentence.

Oxford-style entry order: headword, part of speech, US IPA, concise definition, contextual example, and audio.

Chemical adjective US /ˈkeməkəl/

relating to or used in chemistry

From this reading “Electricity and Chemical Action.= We have just seen, Chapter VII., that the electric current has the power to decompose certain compounds when they are in solution.”

CMU Pronouncing Dictionary · Princeton WordNet 3.1
compounds noun US /ˈkɑːmpaʊndz/

plural of “compound” — a whole formed by a union of two or more elements or parts

From this reading “Electricity and Chemical Action.= We have just seen, Chapter VII., that the electric current has the power to decompose certain compounds when they are in solution.”

CMU Pronouncing Dictionary · Princeton WordNet 3.1
decompose verb US /ˌdiːkəmˈpoʊz/

separate (substances) into constituent elements or parts

From this reading “Electricity and Chemical Action.= We have just seen, Chapter VII., that the electric current has the power to decompose certain compounds when they are in solution.”

CMU Pronouncing Dictionary · Princeton WordNet 3.1
Electricity noun US /ɪˌlekˈtrɪsəti/

a physical phenomenon associated with stationary or moving electrons and protons

From this reading “Electricity and Chemical Action.= We have just seen, Chapter VII., that the electric current has the power to decompose certain compounds when they are in solution.”

CMU Pronouncing Dictionary · Princeton WordNet 3.1
electrolysis noun US /ɪˌlekˈtrɑːləsəs/

(chemistry) a chemical decomposition reaction produced by passing an electric current through a solution containing ions

From this reading “By choosing the right solutions, then, we shall be able to get copper, silver, and other metals set free by electrolysis.”

CMU Pronouncing Dictionary · Princeton WordNet 3.1
electroplating verb US /ˌɪˈlektrəpleɪtɪŋ/

-ing form of “electroplate” — coat with metal by electrolysis

From this reading “HOW ELECTROPLATING AND ELECTROTYPING ARE DONE.”

CMU Pronouncing Dictionary · Princeton WordNet 3.1
metals noun US /ˈmetəlz/

plural of “metal” — any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.

From this reading “By choosing the right solutions, then, we shall be able to get copper, silver, and other metals set free by electrolysis.”

CMU Pronouncing Dictionary · Princeton WordNet 3.1
solutions noun US /səˈluːʃənz/

plural of “solution” — a homogeneous mixture of two or more substances; frequently (but not necessarily) a liquid solution

From this reading “By choosing the right solutions, then, we shall be able to get copper, silver, and other metals set free by electrolysis.”

CMU Pronouncing Dictionary · Princeton WordNet 3.1

Word partnerships in these lines

English keeps certain words together, and knowing the pair is worth more than knowing each word alone. Every partnership below was counted across our whole published library, and earns its place by appearing far more often than two unrelated words of the same frequency would.

Shown as this reading writes them, with the form the library counts, what kind of pairing it is, and how often it occurs.

electric current adjective + noun

a flow of electricity through a conductor

In this reading “Electricity and Chemical Action.= We have just seen, Chapter VII., that the electric current has the power to decompose certain compounds when they are in solution.”

520 times in 426,211 chapters

All words in this reading · 47

Every word in these five lines is listed here, and every one of them can be played on its own.

Dictionary details are shown only when verified; these are not licensed Oxford entries.

81

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading =81.

Pending verification
82

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading =82.

Pending verification
ableadjectiveUS /ˈeɪbəl/

(usually followed by “to”) having the necessary means or skill or know-how or authority to do something

From this reading By choosing the right solutions, then, we shall be able to get copper, silver, and other metals set free by electrolysis.

CMU Pronouncing Dictionary · Princeton WordNet 3.1
ActionnounUS /ˈækʃən/

something done (usually as opposed to something said)

From this reading Electricity and Chemical Action.= We have just seen, Chapter VII., that the electric current has the power to decompose certain compounds when they are in solution.

CMU Pronouncing Dictionary · Princeton WordNet 3.1
ANDconjunctionUS /ənd/

used to join words or parts of a sentence that go together

From this reading HOW ELECTROPLATING AND ELECTROTYPING ARE DONE.

Velmora grammar entry · CMU Pronouncing Dictionary
AREauxiliary verbUS /ɑːr/

the form of “be” used with you, we, they, or a plural noun

From this reading HOW ELECTROPLATING AND ELECTROTYPING ARE DONE.

Velmora grammar entry · CMU Pronouncing Dictionary
beauxiliary verbUS /biː/

used with a past participle to form the passive, or with -ing for continuous tenses

From this reading By choosing the right solutions, then, we shall be able to get copper, silver, and other metals set free by electrolysis.

Velmora grammar entry · CMU Pronouncing Dictionary
ByprepositionUS /baɪ/

showing who or what does the action

From this reading By choosing the right solutions, then, we shall be able to get copper, silver, and other metals set free by electrolysis.

Velmora grammar entry · CMU Pronouncing Dictionary
certainadjectiveUS /ˈsɜːrtən/

definite but not specified or identified

From this reading Electricity and Chemical Action.= We have just seen, Chapter VII., that the electric current has the power to decompose certain compounds when they are in solution.

CMU Pronouncing Dictionary · Princeton WordNet 3.1
ChapternounUS /ˈtʃæptər/

a subdivision of a written work; usually numbered and titled

From this reading Electricity and Chemical Action.= We have just seen, Chapter VII., that the electric current has the power to decompose certain compounds when they are in solution.

CMU Pronouncing Dictionary · Princeton WordNet 3.1
ChemicaladjectiveUS /ˈkeməkəl/

relating to or used in chemistry

From this reading Electricity and Chemical Action.= We have just seen, Chapter VII., that the electric current has the power to decompose certain compounds when they are in solution.

CMU Pronouncing Dictionary · Princeton WordNet 3.1
choosingverbUS /ˈtʃuːzɪŋ/

-ing form of “choose” — pick out, select, or choose from a number of alternatives

From this reading By choosing the right solutions, then, we shall be able to get copper, silver, and other metals set free by electrolysis.

CMU Pronouncing Dictionary · Princeton WordNet 3.1
compoundsnounUS /ˈkɑːmpaʊndz/

plural of “compound” — a whole formed by a union of two or more elements or parts

From this reading Electricity and Chemical Action.= We have just seen, Chapter VII., that the electric current has the power to decompose certain compounds when they are in solution.

CMU Pronouncing Dictionary · Princeton WordNet 3.1
coppernounUS /ˈkɑːpər/

a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is the only metal that occurs abundantly in large masses; used as an electrical and thermal conductor

From this reading By choosing the right solutions, then, we shall be able to get copper, silver, and other metals set free by electrolysis.

CMU Pronouncing Dictionary · Princeton WordNet 3.1
currentnounUS /ˈkɜːrənt/

a flow of electricity through a conductor

From this reading Electricity and Chemical Action.= We have just seen, Chapter VII., that the electric current has the power to decompose certain compounds when they are in solution.

CMU Pronouncing Dictionary · Princeton WordNet 3.1
decomposeverbUS /ˌdiːkəmˈpoʊz/

separate (substances) into constituent elements or parts

From this reading Electricity and Chemical Action.= We have just seen, Chapter VII., that the electric current has the power to decompose certain compounds when they are in solution.

CMU Pronouncing Dictionary · Princeton WordNet 3.1
DONEadjectiveUS /dʌn/

having finished or arrived at completion

From this reading HOW ELECTROPLATING AND ELECTROTYPING ARE DONE.

CMU Pronouncing Dictionary · Princeton WordNet 3.1
electricadjectiveUS /ɪˈlektrɪk/

using or providing or producing or transmitting or operated by electricity

From this reading Electricity and Chemical Action.= We have just seen, Chapter VII., that the electric current has the power to decompose certain compounds when they are in solution.

CMU Pronouncing Dictionary · Princeton WordNet 3.1
ElectricitynounUS /ɪˌlekˈtrɪsəti/

a physical phenomenon associated with stationary or moving electrons and protons

From this reading Electricity and Chemical Action.= We have just seen, Chapter VII., that the electric current has the power to decompose certain compounds when they are in solution.

CMU Pronouncing Dictionary · Princeton WordNet 3.1
electrolysisnounUS /ɪˌlekˈtrɑːləsəs/

(chemistry) a chemical decomposition reaction produced by passing an electric current through a solution containing ions

From this reading By choosing the right solutions, then, we shall be able to get copper, silver, and other metals set free by electrolysis.

CMU Pronouncing Dictionary · Princeton WordNet 3.1
ELECTROPLATINGverbUS /ˌɪˈlektrəpleɪtɪŋ/

-ing form of “electroplate” — coat with metal by electrolysis

From this reading HOW ELECTROPLATING AND ELECTROTYPING ARE DONE.

CMU Pronouncing Dictionary · Princeton WordNet 3.1
ELECTROTYPING

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading HOW ELECTROPLATING AND ELECTROTYPING ARE DONE.

Pending verification
freeverbUS /friː/

grant freedom to; free from confinement

From this reading By choosing the right solutions, then, we shall be able to get copper, silver, and other metals set free by electrolysis.

CMU Pronouncing Dictionary · Princeton WordNet 3.1
getverbUS /ɡet/

come into the possession of something concrete or abstract

From this reading By choosing the right solutions, then, we shall be able to get copper, silver, and other metals set free by electrolysis.

CMU Pronouncing Dictionary · Princeton WordNet 3.1
hasauxiliary verbUS /hæz/

the form of “have” used with he, she, it, or a singular noun

From this reading Electricity and Chemical Action.= We have just seen, Chapter VII., that the electric current has the power to decompose certain compounds when they are in solution.

Velmora grammar entry · CMU Pronouncing Dictionary
haveauxiliary verbUS /hæv/

used with a past participle to form the perfect tenses

From this reading Electricity and Chemical Action.= We have just seen, Chapter VII., that the electric current has the power to decompose certain compounds when they are in solution.

Velmora grammar entry · CMU Pronouncing Dictionary
HOW

Dictionary entry pending editorial verification. Tap Listen to hear the word.

From this reading HOW ELECTROPLATING AND ELECTROTYPING ARE DONE.

Pending verification
inprepositionUS /ɪn/

inside something, or within a place, period, or state

From this reading Electricity and Chemical Action.= We have just seen, Chapter VII., that the electric current has the power to decompose certain compounds when they are in solution.

Velmora grammar entry · CMU Pronouncing Dictionary
justadverbUS /dʒʌst/

and nothing more

From this reading Electricity and Chemical Action.= We have just seen, Chapter VII., that the electric current has the power to decompose certain compounds when they are in solution.

CMU Pronouncing Dictionary · Princeton WordNet 3.1
metalsnounUS /ˈmetəlz/

plural of “metal” — any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.

From this reading By choosing the right solutions, then, we shall be able to get copper, silver, and other metals set free by electrolysis.

CMU Pronouncing Dictionary · Princeton WordNet 3.1
otheradjectiveUS /ˈʌðər/

not the same one or ones already mentioned or implied

From this reading By choosing the right solutions, then, we shall be able to get copper, silver, and other metals set free by electrolysis.

CMU Pronouncing Dictionary · Princeton WordNet 3.1
powernounUS /ˈpaʊər/

possession of controlling influence

From this reading Electricity and Chemical Action.= We have just seen, Chapter VII., that the electric current has the power to decompose certain compounds when they are in solution.

CMU Pronouncing Dictionary · Princeton WordNet 3.1
rightadverbUS /raɪt/

precisely, exactly

From this reading By choosing the right solutions, then, we shall be able to get copper, silver, and other metals set free by electrolysis.

CMU Pronouncing Dictionary · Princeton WordNet 3.1
seenverbUS /siːn/

inflected form of “see” — perceive by sight or have the power to perceive by sight

From this reading Electricity and Chemical Action.= We have just seen, Chapter VII., that the electric current has the power to decompose certain compounds when they are in solution.

CMU Pronouncing Dictionary · Princeton WordNet 3.1
setverbUS /set/

put into a certain place or abstract location

From this reading By choosing the right solutions, then, we shall be able to get copper, silver, and other metals set free by electrolysis.

CMU Pronouncing Dictionary · Princeton WordNet 3.1
shallmodal verbUS /ʃæl/

used with I and we for the future, or to offer and suggest

From this reading By choosing the right solutions, then, we shall be able to get copper, silver, and other metals set free by electrolysis.

Velmora grammar entry · CMU Pronouncing Dictionary
silvernounUS /ˈsɪlvər/

a soft white precious univalent metallic element having the highest electrical and thermal conductivity of any metal; occurs in argentite and in free form; used in coins and jewelry and tableware and photography

From this reading By choosing the right solutions, then, we shall be able to get copper, silver, and other metals set free by electrolysis.

CMU Pronouncing Dictionary · Princeton WordNet 3.1
solutionnounUS /səˈluːʃən/

a homogeneous mixture of two or more substances; frequently (but not necessarily) a liquid solution

From this reading Electricity and Chemical Action.= We have just seen, Chapter VII., that the electric current has the power to decompose certain compounds when they are in solution.

CMU Pronouncing Dictionary · Princeton WordNet 3.1
solutionsnounUS /səˈluːʃənz/

plural of “solution” — a homogeneous mixture of two or more substances; frequently (but not necessarily) a liquid solution

From this reading By choosing the right solutions, then, we shall be able to get copper, silver, and other metals set free by electrolysis.

CMU Pronouncing Dictionary · Princeton WordNet 3.1
thatconjunctionUS /ðæt/

used to introduce what somebody said, thought, or felt

From this reading Electricity and Chemical Action.= We have just seen, Chapter VII., that the electric current has the power to decompose certain compounds when they are in solution.

Velmora grammar entry · CMU Pronouncing Dictionary
thedeterminerUS /ðə/

used before a noun that is already known, already mentioned, or the only one of its kind

From this reading Electricity and Chemical Action.= We have just seen, Chapter VII., that the electric current has the power to decompose certain compounds when they are in solution.

Velmora grammar entry · CMU Pronouncing Dictionary
thenadverbUS /ðen/

subsequently or soon afterward (often used as sentence connectors)

From this reading By choosing the right solutions, then, we shall be able to get copper, silver, and other metals set free by electrolysis.

CMU Pronouncing Dictionary · Princeton WordNet 3.1
theypronounUS /ðeɪ/

the people, animals, or things already mentioned, as the subject

From this reading Electricity and Chemical Action.= We have just seen, Chapter VII., that the electric current has the power to decompose certain compounds when they are in solution.

Velmora grammar entry · CMU Pronouncing Dictionary
toparticleUS /tuː/

used before the base form of a verb to make the infinitive

From this reading Electricity and Chemical Action.= We have just seen, Chapter VII., that the electric current has the power to decompose certain compounds when they are in solution.

Velmora grammar entry · CMU Pronouncing Dictionary
VIInoun

the cardinal number that is the sum of six and one

From this reading Electricity and Chemical Action.= We have just seen, Chapter VII., that the electric current has the power to decompose certain compounds when they are in solution.

CMU Pronouncing Dictionary · Princeton WordNet 3.1
WepronounUS /wiː/

the speaker together with one or more other people

From this reading Electricity and Chemical Action.= We have just seen, Chapter VII., that the electric current has the power to decompose certain compounds when they are in solution.

Velmora grammar entry · CMU Pronouncing Dictionary
whenconjunctionUS /wen/

at the time that

From this reading Electricity and Chemical Action.= We have just seen, Chapter VII., that the electric current has the power to decompose certain compounds when they are in solution.

Velmora grammar entry · CMU Pronouncing Dictionary

Chapter 9 of Things a Boy Should Know About Electricity by Thomas M. (Thomas Matthew) St. John holds 31 sentences, grouped into 7 reading sections of at most 5 sentences. The text is the source edition, unabridged, and the chapter records which sentences cover which part of the work so that nothing is dropped. Every word can be tapped for its pronunciation and dictionary entry.

What does chapter 9 of Things a Boy Should Know About Electricity contain?

Chapter 9 holds 31 sentences of Things a Boy Should Know About Electricity, unabridged, divided into 7 reading sections.

This page carries chapter 9 of Things a Boy Should Know About Electricity by Thomas M. (Thomas Matthew) St. John exactly as it stands in the source edition, without abridgement. It runs to 31 sentences, grouped into 7 sections of at most 5 sentences so that a reader can take the chapter in steady, finishable pieces. The chapter also stores a coverage record mapping every one of its sentences to a part of the work, which is how the edition demonstrates that no line was dropped.

How do I study chapter 9 of Things a Boy Should Know About Electricity?

Work through the 7 sections in order, replaying any sentence and tapping unfamiliar words for their entries.

Each of the 7 sections in this chapter is short enough to read once, hear once, and then re-read with the vocabulary in view. Tapping a word plays it alone and opens its dictionary entry with IPA, part of speech and meaning, so the reader is never forced to guess a pronunciation from spelling. Working section by section keeps a long chapter from becoming an undifferentiated wall of text, which is the usual reason a reader abandons a work of this period.

Can chapter 9 be read aloud to me?

Yes — every sentence and every individual word in chapter 9 can be played aloud in United States English.

Audio covers the whole chapter: any sentence can be played, and any single word within it can be played on its own. The voice uses United States English. For a work of this period that matters, because spelling is an unreliable guide to pronunciation for vocabulary that has fallen out of daily use, and a learner who guesses wrong tends to keep the error. Hearing the word in its own sentence, and then alone, settles it.

Questions about reading Things a Boy Should Know About Electricity

Common questions about reading Things a Boy Should Know About Electricity by Thomas M. (Thomas Matthew) St. John on this page, its source edition and its audio.

Is this the complete text of Things a Boy Should Know About Electricity?

Yes. All 1435 sentences of Project Gutenberg eBook #44665 are kept, with a record of which sentences cover which part.

Which edition of Things a Boy Should Know About Electricity is used?

Project Gutenberg eBook #44665, unabridged. The Project Gutenberg header, footer and licence are removed.

How long does Things a Boy Should Know About Electricity take to read?

About 119 minutes of reading across 287 sections of 5 sentences each, at an unhurried pace.

How to read Things a Boy Should Know About Electricity section by section

How to work through Things a Boy Should Know About Electricity section by section, using the audio and the tap-to-define vocabulary.

  1. Open a chapter

    Choose one of the 28 chapters of Things a Boy Should Know About Electricity to begin.

  2. Read one section

    Each section holds 5 sentences; read it once through.

  3. Listen and tap

    Play the section aloud, then tap any unfamiliar word for its entry.

Vocabulary met early in Things a Boy Should Know About Electricity

Words and structures a reader meets early in Things a Boy Should Know About Electricity, each tappable for pronunciation and meaning.

Https
A word that appears in the opening chapter of Things a Boy Should Know About Electricity; the reader can tap it to hear it and see its dictionary entry.
Characters
A word that appears in the opening chapter of Things a Boy Should Know About Electricity; the reader can tap it to hear it and see its dictionary entry.
Enclosed
A word that appears in the opening chapter of Things a Boy Should Know About Electricity; the reader can tap it to hear it and see its dictionary entry.
Curly
A word that appears in the opening chapter of Things a Boy Should Know About Electricity; the reader can tap it to hear it and see its dictionary entry.