noun (plural spectra or spectrums) see: specter
Date: 1671
1. 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, any of various continua that resemble a color spectrum in consisting of an ordered arrangement by a particular characteristic (as frequency or energy): as, electromagnetic spectrum , radio spectrum , the range of frequencies of sound waves, mass spectrum , the representation (as a plot) of a spectrum,
2. a continuous sequence or range , kinds of organisms associated with a particular situation (as an environment), a range of effectiveness against pathogenic organisms
Начните вводить слово: