used before a singular noun to mean one of a group, when it is not a particular one
From this reading Electricity is a tangible substance."
areauxiliary verbUS /ɑːr/
the form of “be” used with you, we, they, or a plural noun
From this reading "Nevertheless," persisted Heaton, "the great discoveries of the twentieth century are going to be in that line, just as the great discoveries of the nineteenth century have been in the direction of electricity."
at the same time that; because; in the way that
From this reading "Nevertheless," persisted Heaton, "the great discoveries of the twentieth century are going to be in that line, just as the great discoveries of the nineteenth century have been in the direction of electricity."
used with a past participle to form the passive, or with -ing for continuous tenses
From this reading "Nevertheless," persisted Heaton, "the great discoveries of the twentieth century are going to be in that line, just as the great discoveries of the nineteenth century have been in the direction of electricity."
beenauxiliary verbUS /bɪn/
the past participle of “be”
From this reading "Nevertheless," persisted Heaton, "the great discoveries of the twentieth century are going to be in that line, just as the great discoveries of the nineteenth century have been in the direction of electricity."
plural of “case” — an occurrence of something
From this reading "The cases are not parallel.
a period of 100 years
From this reading "Nevertheless," persisted Heaton, "the great discoveries of the twentieth century are going to be in that line, just as the great discoveries of the nineteenth century have been in the direction of electricity."
serenely self-possessed and free from agitation especially in times of stress
From this reading Then tell me what it is composed of?
a line leading to a place or point
From this reading "Nevertheless," persisted Heaton, "the great discoveries of the twentieth century are going to be in that line, just as the great discoveries of the nineteenth century have been in the direction of electricity."
discoveriesnounUS /dɪˈskʌvəriz/
plural of “discovery” — the act of discovering something
From this reading "Nevertheless," persisted Heaton, "the great discoveries of the twentieth century are going to be in that line, just as the great discoveries of the nineteenth century have been in the direction of electricity."
electricitynounUS /ɪˌlekˈtrɪsəti/
a physical phenomenon associated with stationary or moving electrons and protons
From this reading "Nevertheless," persisted Heaton, "the great discoveries of the twentieth century are going to be in that line, just as the great discoveries of the nineteenth century have been in the direction of electricity."
the act of departing
From this reading "Nevertheless," persisted Heaton, "the great discoveries of the twentieth century are going to be in that line, just as the great discoveries of the nineteenth century have been in the direction of electricity."
relatively large in size or number or extent; larger than others of its kind
From this reading "Nevertheless," persisted Heaton, "the great discoveries of the twentieth century are going to be in that line, just as the great discoveries of the nineteenth century have been in the direction of electricity."
haveauxiliary verbUS /hæv/
used with a past participle to form the perfect tenses
From this reading "Nevertheless," persisted Heaton, "the great discoveries of the twentieth century are going to be in that line, just as the great discoveries of the nineteenth century have been in the direction of electricity."
Heaton
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading "Nevertheless," persisted Heaton, "the great discoveries of the twentieth century are going to be in that line, just as the great discoveries of the nineteenth century have been in the direction of electricity."
inside something, or within a place, period, or state
From this reading "Nevertheless," persisted Heaton, "the great discoveries of the twentieth century are going to be in that line, just as the great discoveries of the nineteenth century have been in the direction of electricity."
the form of “be” used with he, she, it, or a singular noun
From this reading Electricity is a tangible substance."
a thing, animal, or idea already mentioned
From this reading "Is it?
and nothing more
From this reading "Nevertheless," persisted Heaton, "the great discoveries of the twentieth century are going to be in that line, just as the great discoveries of the nineteenth century have been in the direction of electricity."
a formation of people or things one beside another
From this reading "Nevertheless," persisted Heaton, "the great discoveries of the twentieth century are going to be in that line, just as the great discoveries of the nineteenth century have been in the direction of electricity."
the person speaking, as the object of a verb or preposition
From this reading Then tell me what it is composed of?
in spite of what has just been said
From this reading "Nevertheless," persisted Heaton, "the great discoveries of the twentieth century are going to be in that line, just as the great discoveries of the nineteenth century have been in the direction of electricity."
nineteenthadjectiveUS /ˈnaɪnˈtiːnθ/
coming next after the eighteenth in position
From this reading "Nevertheless," persisted Heaton, "the great discoveries of the twentieth century are going to be in that line, just as the great discoveries of the nineteenth century have been in the direction of electricity."
used to make a word, phrase, or sentence negative
From this reading "The cases are not parallel.
belonging to, or connected with, somebody or something
From this reading "Nevertheless," persisted Heaton, "the great discoveries of the twentieth century are going to be in that line, just as the great discoveries of the nineteenth century have been in the direction of electricity."
parallelnounUS /ˈperəlel/
something having the property of being analogous to something else
From this reading "The cases are not parallel.
persistedverbUS /pərˈsɪstɪd/
past form of “persist” — continue to exist
From this reading "Nevertheless," persisted Heaton, "the great discoveries of the twentieth century are going to be in that line, just as the great discoveries of the nineteenth century have been in the direction of electricity."
substancenounUS /ˈsʌbstəns/
the real physical matter of which a person or thing consists
From this reading Electricity is a tangible substance."
tangibleadjectiveUS /ˈtændʒəbəl/
perceptible by the senses especially the sense of touch
From this reading Electricity is a tangible substance."
express in words
From this reading Then tell me what it is composed of?
used to introduce what somebody said, thought, or felt
From this reading "Nevertheless," persisted Heaton, "the great discoveries of the twentieth century are going to be in that line, just as the great discoveries of the nineteenth century have been in the direction of electricity."
used before a noun that is already known, already mentioned, or the only one of its kind
From this reading "Nevertheless," persisted Heaton, "the great discoveries of the twentieth century are going to be in that line, just as the great discoveries of the nineteenth century have been in the direction of electricity."
subsequently or soon afterward (often used as sentence connectors)
From this reading Then tell me what it is composed of?
used before the base form of a verb to make the infinitive
From this reading "Nevertheless," persisted Heaton, "the great discoveries of the twentieth century are going to be in that line, just as the great discoveries of the nineteenth century have been in the direction of electricity."
twentiethnounUS /ˈtwentiəθ/
position 20 in a countable series of things
From this reading "Nevertheless," persisted Heaton, "the great discoveries of the twentieth century are going to be in that line, just as the great discoveries of the nineteenth century have been in the direction of electricity."
used to ask for information about something
From this reading Then tell me what it is composed of?