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Medical Dictionary

spectrum

play
noun spec·trum \ˈspek-trəm\

Medical Definition of spectrum

plural spectra \-trə\play or spectrums

  1. 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 (1):  electromagnetic spectrum (2):  mass spectrumc:  the representation (as a plot) of a spectrum

  2. 2:  a continuous sequence or range; specifically :  a range of effectiveness against pathogenic organisms—see broad-spectrum, narrow spectrum





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