spectra(redirected from Macromedia Spectra)
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A plural of spectrum.
the plural of spectrum
n., pl. -tra (-trə), -trums.
a. an array of entities, as light waves or particles, ordered in accordance with the magnitudes of a common physical property, as wavelength or mass.
b. the band or series of colors, together with invisible extensions, produced by dispersion of radiant energy, as by a prism.
2. a broad range of varied but related ideas, objects, etc., that form a continuous series or sequence: the spectrum of political beliefs.
[1605–15; < Latin: appearance, form <spec(ere) to look, regard]