spectrum

spectrum
noun
1 range of light waves, etc.
ADJECTIVE
visible

These wavelengths correspond to red in the visible spectrum.

Beyond the red end of the visible light spectrum is infrared.

colour/color, electromagnetic
broadcast, radio
PHRASES
the colours/colors of the spectrum

Other species can perceive colours/colors of the spectrum that are invisible to us.

the … end of the spectrum, the … part of the spectrum, the … portion of the spectrum, the … region of the spectrum

the ultraviolet part of the spectrum

2 full or wide range
ADJECTIVE
complete, full

The courses cover the full spectrum of levels.

broad, wide
narrow
entire, whole
ideological, political, social
age, income
VERB + SPECTRUM
cover, span
represent

These thinkers represent a wide spectrum of political perspectives.

PREPOSITION
across the spectrum

There was consensus across the political spectrum.

spectrum of

a wide spectrum of interests

PHRASES
at one end of the spectrum, at the other end of the spectrum
both ends of the spectrum, opposite ends of the spectrum

The two speakers were chosen to represent opposite ends of the spectrum.

a spectrum of opinion

The newspaper covers a broad spectrum of opinion.


Collocations dictionary. 2013.

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  • Spectrum — Spec trum, n.; pl. {Spectra}. [L. See {Specter}.] 1. An apparition; a specter. [Obs.] [1913 Webster] 2. (Opt.) (a) The several colored and other rays of which light is composed, separated by the refraction of a prism or other means, and observed… …   The Collaborative International Dictionary of English

  • Spectrum 7 — was an oil company started by William DeWitt and Mercer Reynolds.In 1984, Spectrum 7 merged with George W. Bush s Arbusto Energy. After the merger, Bush became the Chairman and CEO of Spectrum 7.In 1986, after reporting a net loss of $1.5 million …   Wikipedia

  • spectrum — UK US /ˈspektrəm/ noun [C] ► a range of similar things: a spectrum of sth »A methodology will have to be developed to gradually cover the entire spectrum of technologies. »a wide/broad spectrum the economic/business/political spectrum »He has… …   Financial and business terms

  • spectrum — [spek′trəm] n. pl. spectra [spek′trə] or spectrums [ModL, special use (by NEWTON2 Sir Isaac, 1671) of L spectrum: see SPECTER] 1. the series of colored bands dispersed and arranged in the order of their respective wavelengths by the passage of… …   English World dictionary

  • Spectrum — puede referirse a: Sinclair ZX Spectrum, popular ordenador de 8 bits; The Spectrum, pabellón deportivo de la ciudad de Filadelfia. Esta página de desambiguación cataloga artículos relacionados con el mismo título. Si llegaste aquí a través de …   Wikipedia Español

  • spectrum — (n.) 1610s, apparition, specter, from L. spectrum appearance, image, apparition, from specere to look at, view (see SCOPE (Cf. scope) (1)). Meaning band of colors formed from a beam of light first recorded 1670s …   Etymology dictionary

  • spectrum — ► NOUN (pl. spectra) 1) a band of colours produced by separation of the components of light by their different degrees of refraction, e.g. in a rainbow. 2) the entire range of wavelengths of electromagnetic radiation. 3) a characteristic series… …   English terms dictionary

  • Spectrum [1] — Spectrum (lat.), 1) Gestalt, Bild; 2) Gespenst; 3) (S. oculare), Augentäuschung (sd. 2); 4) eine begrenzte Stelle im Raume od. auf einer Fläche, in welcher Strahlen von verschiedener Brechbarkeit (beim Licht also von verschiedener Farbe) neben… …   Pierer's Universal-Lexikon

  • Spectrum [2] — Spectrum, 1) eine Art Zackenschwärmer; 2) so v.w. Gespenstheuschrecke …   Pierer's Universal-Lexikon

  • Spectrum — Spectrum, lat., Bild, Gespenst; in der Physik eine begränzte Stelle in der Luft oder auf einer Fläche, auf der sich ein strahlendes Fluidum (Licht, Wärme) gleichsam abbildet …   Herders Conversations-Lexikon

  • spectrum — has the plural form spectra …   Modern English usage

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