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spectra Definition
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spectra
noun(spec-trum)a continuum of color formed when a beam of white light is dispersed (as by passage through a prism) so that its component wavelengths are arranged in order
spectra
noun(spec-trum)any of various continua that resemble a color spectrum in consisting of an ordered arrangement by a particular characteristic (such as frequency or energy): such as
spectra
noun(spec-trum)electromagnetic spectrum
spectra
noun(spec-trum)an electromagnetic spectrum in which a decrease in intensity of radiation at specific wavelengths or ranges of wavelengths characteristic of an absorbing substance is manifested especially as a pattern of dark lines or bands
spectra
noun(spec-trum)the entire range of wavelengths or frequencies of electromagnetic radiation extending from gamma rays to the longest radio waves and including visible light
spectra
noun(spec-trum)the spectrum of a stream of gaseous ions separated according to their differing mass and charge
spectra
noun(spec-trum)the region of the electromagnetic spectrum spanning the radio frequency range