| 单词 | spectrophotometer |
| 释义 | spectrum /spekˈtrəm/noun (pl specˈtra)
ORIGIN: L spectrum an appearance, from specere to look at specˈtral adjective Relating to, or like, a spectrum spectralˈity noun specˈtrochemistry noun Chemical spectroscopy specˈtrogram noun
specˈtrograph noun A spectroscope designed for use over a wide range of frequencies (well beyond visible spectrum) and recording the spectrum photographically (see also mass spectrograph under mass1) spectrographˈic or spectrographˈical adjective spectrogˈraphy noun spectrohēˈliogram noun A photograph of the sun by monochromatic light spectrohēˈliograph noun An instrument for taking it spectrohēˈlioscope noun A similar instrument with which one can observe an image of the whole solar disc in the light of a single particular wavelength spectrologˈical adjective spectrologˈically adverb spectrolˈogy noun The science of the spectrum or spectrum analysis spectromˈeter noun
spectrometˈric adjective spectromˈetry noun spectrophotomˈeter noun An instrument for measuring intensity of each colour or wavelength present in an optical spectrum spectrophotomˈetry noun specˈtroscope noun A general term for an instrument (spectrograph, spectrometer, etc) used in spectroscopy, the basic features of which are a slit and collimator for producing a parallel beam of radiation, a prism or grating for ‘dispersing’ different wavelengths through differing angles of deviation, and a telescope, camera or counter tube for observing the dispersed radiation spectroscopˈic or spectroscopˈical adjective spectroscopˈically adverb spectroscopist /spek-trosˈkə-pist or spekˈtrə-skop-ist/ noun spectrosˈcopy (or /spekˈ/) noun The study of spectra spectral type noun (astronomy) One of the different groups into which stars can be classified according to characteristics of their spectra spectroscopic binary noun (astronomy) A binary star whose components are too close to be resolved visually, but can be resolved spectroscopically spectrum analysis noun Determination of chemical composition by observing the spectrum of light or X-rays coming from or through the substance |
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