multispectraladj.
/ˌmʌltɪˈspɛktr(ə)l/, U.S. /ˌməltiˈspɛktr(ə)l/; see also multi- comb. form. Science.
Operating in or involving several of the regions into which the electromagnetic spectrum is conventionally divided.
ΘΚΠ
the world > matter > physics > electromagnetic radiation > light > chromatism > [adjective] > of or relating to the spectroscope > involving several regions of
multispectral1965
1965 Science 3 Dec. 1334/3 Applications of multispectral sensing.
1966 Proc. 4th Symposium Remote Sensing Environment (Univ. Mich., U.S. Govt. AD 638–919) 135 Much additional information is needed before multispectral photography and other remote sensors can be..incorporated into operational urban information centers.
1971 New Scientist 27 Apr. 256/2 Placing the Earth under the most detailed observation with multispectral cameras.
1985 P. J. Curran Princ. Remote Sensing vi. 205 Environmental scientists can be faced with the Herculean task of trying to comprehend many multispectral images of a scene at the same time.
Compounds
multispectral scanner n. a remote sensing device which can measure reflected radiation at a number of wavelengths simultaneously, used esp. for aerial land surveying.
ΚΠ
1969 Proc. 6th Internat. Symp. Remote Sensing of Environment i. 22 The spectral region was divided into a set of channels which matched some of the University of Michigan's twelve-channel multispectral scanner.
1975 McGraw-Hill Yearbk. Sci. & Technol. 397/1 Density values from the visible red band of the multispectral scanner have been found to be the most generally useful.
1991 Geo Info Syst. Oct. 47/2 The same level of detailed wetland information..can be obtained using data from a high-resolution aircraft multispectral scanner.
This entry has been updated (OED Third Edition, March 2003; most recently modified version published online March 2022).
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adj.1965