Medical Definition of spectrum
plural spec·tra \-trə\play or spectrums
1a: 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 orderb: any of various continua that resemble a spectrum in consisting of an ordered arrangement by a particular characteristic (as frequency or energy): as: electromagnetic spectrum: mass spectrumc: the representation (as a plot) of a spectrum
2: a continuous sequence or range; specifically : a range of effectiveness against pathogenic organisms <an antibiotic with a broad spectrum>
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Dictionary: Definition of "spectrum" Thesaurus: All synonyms and antonyms for "spectrum" Spanish Central: Translation of "spectrum" Nglish: Translation of "spectrum" for Spanish speakers Britannica English: Translation of "spectrum" for Arabic speakers Britannica.com: Encyclopedia article about "spectrum"
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