Spectrum

['spektrəm] or ['spɛktrəm]

解释:

(noun.) a broad range of related objects or values or qualities or ideas or activities.

(noun.) an ordered array of the components of an emission or wave.

编辑:斯坦利--From WordNet

解释:

(n.) An apparition; a specter.

(n.) The several colored and other rays of which light is composed, separated by the refraction of a prism or other means, and observed or studied either as spread out on a screen, by direct vision, by photography, or otherwise. See Illust. of Light, and Spectroscope.

(n.) A luminous appearance, or an image seen after the eye has been exposed to an intense light or a strongly illuminated object. When the object is colored, the image appears of the complementary color, as a green image seen after viewing a red wafer lying on white paper. Called also ocular spectrum.

乔斯林编辑

同义词及近义词:

n. Image, appearance, representation.

录入:玛格

解释:

n. the image of something seen continued after the eyes are closed: the colours of light separated by a prism and exhibited as spread out on a screen:—pl. Spec′tra.—n. Spec′trograph an apparatus for photographing a spectrum.—adjs. Spectrograph′ic -al.—n. Spectrog′raphy the art of using the spectrograph.—adj. Spectrolog′ical.—adv. Spectrolog′ically.—ns. Spectrol′ogy the division of physical science that embraces spectrum analysis: demonology; Spectrom′eter an instrument like a spectroscope by means of which the angular deviation of a ray of light in passing through a prism can be accurately measured.—adj. Spectromet′ric.—n. Spec′trophōne an adaptation of the spectroscope in which on the principle of the radiophone perception of a succession of sounds takes the place of observation by the eye.—adj. Spectrophon′ic.—ns. Spec′tro-polar′iscope a polariscope combined with a spectroscope; Spec′troscope an instrument for forming and examining spectra of luminous bodies so as to determine their composition.—adjs. Spectroscōp′ic -al.—adv. Spectroscōp′ically.—ns. Spec′troscōpist one skilled in spectroscopy; Spec′troscōpy the use of the spectroscope and the study of spectrum analysis.

录入:库尔特

例句:

整理:奥蒂斯

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