Meaning of SPECTRUM in English


transcription, транскрипция: [ ˈspek-trəm ]


( plural spec·tra -trə ; or spectrums )

Etymology: New Latin, from Latin, appearance — more at specter

Date: 1671


a. : 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

b. : any of various continua that resemble a color spectrum in consisting of an ordered arrangement by a particular characteristic (as frequency or energy): as

(1) : electromagnetic spectrum

(2) : radio spectrum

(3) : the range of frequencies of sound waves

(4) : mass spectrum

c. : the representation (as a plot) of a spectrum


a. : a continuous sequence or range

a wide spectrum of interests

opposite ends of the political spectrum

b. : kinds of organisms associated with a particular situation (as an environment)

c. : a range of effectiveness against pathogenic organisms

an antibiotic with a broad spectrum

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.