Actinicadjective
relating to or exhibiting actinism
From this reading The photographer uses the _Actinic_ rays.
used to join words or parts of a sentence that go together
From this reading X-RAY, RADIUM, AND THE LIKE The camera sees things invisible to the human eye.
areauxiliary verbUS /ɑːr/
the form of “be” used with you, we, they, or a plural noun
From this reading Its most effective work is done with beams which are beyond human perception.
beamsnounUS /biːmz/
plural of “beam” — a signal transmitted along a narrow path; guides airplane pilots in darkness or bad weather
From this reading Its most effective work is done with beams which are beyond human perception.
belowprepositionUS /bɪˈloʊ/
at or to a lower level than something
From this reading Those below the red are called the Infra-red, and they are the Hertzian waves, or those used in wireless telegraphy.
on the far side of; further than
From this reading Its most effective work is done with beams which are beyond human perception.
past form of “call” — assign a specified (usually proper) proper name to
From this reading Those below the red are called the Infra-red, and they are the Hertzian waves, or those used in wireless telegraphy.
cameranounUS /ˈkæmərə/
equipment for taking photographs (usually consisting of a lightproof box with a lens at one end and light-sensitive film at the other)
From this reading X-RAY, RADIUM, AND THE LIKE The camera sees things invisible to the human eye.
colorsnounUS /ˈkʌlərz/
a flag that shows its nationality
From this reading Ordinary light is composed of the seven primary colors, of which the lowest in the scale is the red, and the highest to violet.
serenely self-possessed and free from agitation especially in times of stress
From this reading Ordinary light is composed of the seven primary colors, of which the lowest in the scale is the red, and the highest to violet.
having finished or arrived at completion
From this reading Its most effective work is done with beams which are beyond human perception.
effectiveadjectiveUS /ɪˈfektɪv/
producing or capable of producing an intended result or having a striking effect
From this reading Its most effective work is done with beams which are beyond human perception.
the organ of sight
From this reading X-RAY, RADIUM, AND THE LIKE The camera sees things invisible to the human eye.
Hertzianadjective
of or relating to the physicist Heinrich Hertz or his work
From this reading Those below the red are called the Infra-red, and they are the Hertzian waves, or those used in wireless telegraphy.
superlative of “high” — greater than normal in degree or intensity or amount
From this reading Ordinary light is composed of the seven primary colors, of which the lowest in the scale is the red, and the highest to violet.
humanadjectiveUS /ˈhjuːmən/
characteristic of humanity
From this reading X-RAY, RADIUM, AND THE LIKE The camera sees things invisible to the human eye.
inside something, or within a place, period, or state
From this reading Ordinary light is composed of the seven primary colors, of which the lowest in the scale is the red, and the highest to violet.
Infra-red
Dictionary entry pending editorial verification. Tap Listen to hear the word.
From this reading Those below the red are called the Infra-red, and they are the Hertzian waves, or those used in wireless telegraphy.
invisibleadjectiveUS /ˌɪnˈvɪzəbəl/
impossible or nearly impossible to see; imperceptible by the eye
From this reading X-RAY, RADIUM, AND THE LIKE The camera sees things invisible to the human eye.
the form of “be” used with he, she, it, or a singular noun
From this reading Its most effective work is done with beams which are beyond human perception.
belonging to the thing or animal already mentioned
From this reading Its most effective work is done with beams which are beyond human perception.
of comparatively little physical weight or density
From this reading Ordinary light is composed of the seven primary colors, of which the lowest in the scale is the red, and the highest to violet.
prefer or wish to do something
From this reading X-RAY, RADIUM, AND THE LIKE The camera sees things invisible to the human eye.
lowestadjectiveUS /ˈloʊəst/
lowest in rank or importance
From this reading Ordinary light is composed of the seven primary colors, of which the lowest in the scale is the red, and the highest to violet.
used to form the superlative
From this reading Its most effective work is done with beams which are beyond human perception.
belonging to, or connected with, somebody or something
From this reading Ordinary light is composed of the seven primary colors, of which the lowest in the scale is the red, and the highest to violet.
used to join alternatives or possibilities
From this reading Those below the red are called the Infra-red, and they are the Hertzian waves, or those used in wireless telegraphy.
a judge of a probate court
From this reading Ordinary light is composed of the seven primary colors, of which the lowest in the scale is the red, and the highest to violet.
perceptionnounUS /pərˈsepʃən/
the representation of what is perceived; basic component in the formation of a concept
From this reading Its most effective work is done with beams which are beyond human perception.
photographernounUS /fəˈtɑːɡrəfər/
someone who takes photographs professionally
From this reading The photographer uses the _Actinic_ rays.
primaryadjectiveUS /ˈpraɪmeri/
of first rank or importance or value; direct and immediate rather than secondary
From this reading Ordinary light is composed of the seven primary colors, of which the lowest in the scale is the red, and the highest to violet.
RADIUMnounUS /ˈreɪdiəm/
an intensely radioactive metallic element that occurs in minute amounts in uranium ores
From this reading X-RAY, RADIUM, AND THE LIKE The camera sees things invisible to the human eye.
raysnounUS /reɪz/
plural of “ray” — a column of light (as from a beacon)
From this reading The photographer uses the _Actinic_ rays.
red color or pigment; the chromatic color resembling the hue of blood
From this reading Ordinary light is composed of the seven primary colors, of which the lowest in the scale is the red, and the highest to violet.
scalenounUS /skeɪl/
an ordered reference standard
From this reading Ordinary light is composed of the seven primary colors, of which the lowest in the scale is the red, and the highest to violet.
plural of “see” — the seat within a bishop's diocese where his cathedral is located
From this reading X-RAY, RADIUM, AND THE LIKE The camera sees things invisible to the human eye.
the cardinal number that is the sum of six and one
From this reading Ordinary light is composed of the seven primary colors, of which the lowest in the scale is the red, and the highest to violet.
telegraphynoun
communicating at a distance by electric transmission over wire
From this reading Those below the red are called the Infra-red, and they are the Hertzian waves, or those used in wireless telegraphy.
used before a noun that is already known, already mentioned, or the only one of its kind
From this reading X-RAY, RADIUM, AND THE LIKE The camera sees things invisible to the human eye.
the people, animals, or things already mentioned, as the subject
From this reading Those below the red are called the Infra-red, and they are the Hertzian waves, or those used in wireless telegraphy.
any movable possession (especially articles of clothing)
From this reading X-RAY, RADIUM, AND THE LIKE The camera sees things invisible to the human eye.
the plural of “that”: the people or things further away, or already known
From this reading Those below the red are called the Infra-red, and they are the Hertzian waves, or those used in wireless telegraphy.
used before the base form of a verb to make the infinitive
From this reading X-RAY, RADIUM, AND THE LIKE The camera sees things invisible to the human eye.
employed in accomplishing something
From this reading Those below the red are called the Infra-red, and they are the Hertzian waves, or those used in wireless telegraphy.
usesnounUS /ˈjuːsəz/
plural of “use” — the act of using
From this reading The photographer uses the _Actinic_ rays.
violetnounUS /ˈvaɪəlɪt/
any of numerous low-growing violas with small flowers
From this reading Ordinary light is composed of the seven primary colors, of which the lowest in the scale is the red, and the highest to violet.
plural of “wave” — one of a series of ridges that moves across the surface of a liquid (especially across a large body of water)
From this reading Those below the red are called the Infra-red, and they are the Hertzian waves, or those used in wireless telegraphy.
used to introduce a clause giving more about a thing just mentioned
From this reading Its most effective work is done with beams which are beyond human perception.
wirelessnounUS /ˈwaɪrlɪs/
medium for communication
From this reading Those below the red are called the Infra-red, and they are the Hertzian waves, or those used in wireless telegraphy.
in the company of; together with
From this reading Its most effective work is done with beams which are beyond human perception.
exert oneself by doing mental or physical work for a purpose or out of necessity
From this reading Its most effective work is done with beams which are beyond human perception.
X-RAYnounUS /ˈeksreɪ/
electromagnetic radiation of short wavelength produced when high-speed electrons strike a solid target
From this reading X-RAY, RADIUM, AND THE LIKE The camera sees things invisible to the human eye.
