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1. (n.) spectrum
an array of entities, as light waves or particles, ordered in accordance with the magnitudes of a common physical property, as wavelength or mass.
2. spectrum
the band or series of colors, together with invisible extensions, produced by dispersion of radiant energy, as by a prism.
3. spectrum
a broad range of varied but related ideas, objects, etc., that form a continuous series or sequence:
the spectrum of political beliefs.
Etymology: (1605–15; < L: appearance, form <spec(ere) to look, regard)
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| Definition of 'spectrum' |
Princeton's WordNet |
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1. (noun) spectrum
an ordered array of the components of an emission or wave
2. (noun) spectrum
a broad range of related objects or values or qualities or ideas or activities
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| Definition of 'spectrum' |
Webster Dictionary |
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1. (noun) spectrum
an apparition; a specter
2. (noun) spectrum
the several colored and other rays of which light is composed, separated by the refraction of a prism or other means, and observed or studied either as spread out on a screen, by direct vision, by photography, or otherwise. See Illust. of Light, and Spectroscope
3. (noun) spectrum
a luminous appearance, or an image seen after the eye has been exposed to an intense light or a strongly illuminated object. When the object is colored, the image appears of the complementary color, as a green image seen after viewing a red wafer lying on white paper. Called also ocular spectrum
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| Definitions of 'spectrum' |
The Nuttall Encyclopedia |
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1. spectrum
the name given to coloured and other rays of pure light separated by refraction in its transmission through a prism, as exhibited on a screen in a darkened chamber.
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Sense: the visible spectrum.
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 Afrikaans: spektrum |
 Arabic: طَيْف |
 Bulgarian: спектър |
 Brazilian: espectro |
 Czech: spektrum |
 German: das Spektrum |
 Danish: spektrum |
 Greek: φάσμα |
 Spanish: espectro |
 Estonian: spekter |
 Farsi: بينايي |
 Finnish: spektri |
 French: spectre |
 Hebrew: צִבעֵי הַקֶשֶת |
 Hindi: वर्णक्रम |
 Croatian: spektar |
 Hungarian: színkép |
 Indonesian: spektrum |
 Icelandic: litróf, skali |
 Italian: spettro |
 Japanese: スペクトル |
 Korean: 스펙트럼 |
 Lithuanian: spektras |
 Latvian: spektrs |
 Malay: spektrum |
 Dutch: spectrum |
 Norwegian: spektrum |
 Polish: widmo |
 Persian: بينايي |
 Pashto: لیدل |
 Portuguese: espectro |
 Romanian: spectru |
 Russian: спектр |
 Slovak: spektrum |
 Slovenian: spekter |
 Serbian: spektar |
 Swedish: spektrum |
 Thai: แถบสีหลากหลายสีที่สามารถม |
 Turkish: tayf |
 Taiwanese: (可見)光譜 |
 Ukrainian: спектр |
 Urdu: عینی طیف |
 Vietnamese: hình ảnh |
 Chinese: （可见）光谱 |
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Definitions of spectrum 
