Толковый словарь английского языка Oxford English Reference - spectrum
Spectrum
spectrum
n. (pl. spectra) 1 the band of colours, as seen in a rainbow etc., arranged in a progressive series according to their refrangibility or wavelength. 2 the entire range of wavelengths of electromagnetic radiation. 3 a an image or distribution of parts of electromagnetic radiation arranged in a progressive series according to wavelength. b this as characteristic of a body or substance when emitting or absorbing radiation. 4 a similar image or distribution of energy, mass, etc., arranged according to frequency, charge, etc. 5 the entire range or a wide range of anything arranged by degree or quality etc. 6 (in full ocular spectrum) an after-image. Phrases and idioms spectrum (or spectral) analysis chemical analysis by means of a spectroscope. Etymology: L, = image, apparition f. specere look
Рейтинг статьи:
См. в других словарях
1.
noun (plural spectra or ~s) 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 ~ in consisting of an ordered arrangement by a particular characteristic (as frequency or energy): as, electromagnetic ~, radio ~, the range of frequencies of sound waves, mass ~, the representation (as a plot) of a ~, 2. a continuous sequence or range , kinds of organisms associated with a particular situation (as an environment), a range of effectiveness against pathogenic organisms ...Толковый словарь английского языка
Вопрос-ответ:
Похожие слова
Ссылка для сайта или блога:
Ссылка для форума (bb-код):