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bolometer, <for optical radiation>
thermal detector in which the heating of the part that absorbs the radiation causes a change in its electrical resistance which is used to quantify an optical property
Note 1 to entry: This entry was numbered 845-05-48 in IEC 60050-845:1987.
Note 2 to entry: This entry was numbered 17-105 in CIE S 017:2011.