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Definitions and Synonyms of spectrum | Another word for spectrum | What is spectrum?

Definition 1: a broad range of related objects or values or qualities or ideas or activities - [noun denoting attribute]

(spectrum is a kind of ...) an area in which something acts or operates or has power or control:

"the range of a supersonic jet" "a piano has a greater range than the human voice" "the ambit of municipal legislation" "within the compass of this article" "within the scope of an investigation" "outside the reach of the law" "in the political orbit of a world power"

Definition 2: an ordered array of the components of an emission or wave - [noun denoting phenomenon]

(spectrum is a kind of ...) an orderly arrangement

"an array of troops in battle order"

(... is a kind of spectrum ) the distribution of colors produced when light is dispersed by a prism

(... is a kind of spectrum ) the spectrum of ultraviolet radiation

(... is a kind of spectrum ) the distribution of energy as a function of frequency for a particular sound source

(... is a kind of spectrum ) the entire spectrum of electromagnetic frequencies used for communications; includes frequencies used for radio and radar and television

(... is a kind of spectrum ) the part of the electromagnetic spectrum corresponding to microwaves

(... is a kind of spectrum ) a distribution of ions as shown by a mass spectrograph or a mass spectrometer

(... is a kind of spectrum ) a spectrum in which energy is concentrated at particular wavelengths; produced by excited atoms and ions as they fall back to a lower energy level

(... is a kind of spectrum ) the spectrum of infrared radiation

(... is a kind of spectrum ) spectrum of electromagnetic radiation emitted by a self-luminous source

(... is a kind of spectrum ) the entire frequency range of electromagnetic waves

(... is a kind of spectrum ) (physics) a spectrum of radiation caused by electron transitions within an atom; the series of spectrum lines is characteristic of the element

(... is a kind of spectrum ) the efficiency with which electromagnetic radiation produces a photochemical reaction plotted as a function of the wavelength of the radiation

(... is a kind of spectrum ) the spectrum of electromagnetic radiation that has passed through a medium that absorbed radiation of certain wavelengths

(spectrum is a part of ...) an isolated component of a spectrum formed by radiation at a uniform frequency

More words

Another word for spectroscopy

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Other word for speculation

speculation meaning and synonyms

How to pronounce speculation