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Consult Chambers 21st Century Dictionary, The Chambers Thesaurus (1996) or Chambers Biographical Dictionary (1997 edition with amendments). Enter your search and choose your title from the drop-down menu.
spectrum noun (spectra or spectrums) 1 physics (in full visible spectrum) the band of colours (red, orange, yellow, green, blue, indigo and violet) that is produced when white light is split into its constituent wavelengths by passing it through a prism. 2 a continuous band or a series of lines representing the wavelengths or frequencies of electromagnetic radiation (eg visible light, X-rays, radio waves) emitted or absorbed by a particular substance. 3 any full range • the whole spectrum of human emotions.
ETYMOLOGY: 17c: Latin, meaning 'appearance'.
spectrum noun (spectra or spectrums) 1 physics (in full visible spectrum) the band of colours (red, orange, yellow, green, blue, indigo and violet) that is produced when white light is split into its constituent wavelengths by passing it through a prism. 2 a continuous band or a series of lines representing the wavelengths or frequencies of electromagnetic radiation (eg visible light, X-rays, radio waves) emitted or absorbed by a particular substance. 3 any full range • the whole spectrum of human emotions.
ETYMOLOGY: 17c: Latin, meaning 'appearance'.
spectrum noun (spectra or spectrums) 1 physics (in full visible spectrum) the band of colours (red, orange, yellow, green, blue, indigo and violet) that is produced when white light is split into its constituent wavelengths by passing it through a prism. 2 a continuous band or a series of lines representing the wavelengths or frequencies of electromagnetic radiation (eg visible light, X-rays, radio waves) emitted or absorbed by a particular substance. 3 any full range • the whole spectrum of human emotions.
ETYMOLOGY: 17c: Latin, meaning 'appearance'.
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The Chambers Dictionary (13th edition)
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The Chambers Thesaurus
The Chambers Thesaurus (4th Edition) is a veritable treasure-trove, including the greatest selection of alternative words and phrases available in an A to Z format. -
Chambers Biographical Dictionary
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Consult Chambers 21st Century Dictionary, The Chambers Thesaurus (1996) or Chambers Biographical Dictionary (1997 edition with amendments). Enter your search and choose your title from the drop-down menu.
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