Meaning of PYROMETER in English

PYROMETER

pīˈräməd.ə(r) noun

Etymology: International Scientific Vocabulary pyr- + -meter

: an instrument for measuring temperatures (as beyond the range of thermometers) usually by the increase of electric resistance in a metal when heated, by the generation of electric current by a thermocouple when acted upon by direct heat or focused radiation, or by the increase in intensity of light radiated by an incandescent body as its temperature increases — see optical pyrometer , radiation pyrometer

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.