pyrheliometer

[ pahyuh r-hee-lee-om-i-ter, pir- ]
/ ˌpaɪər hi liˈɒm ɪ tər, ˌpɪr- /

noun Astrophysics.

an instrument for measuring the total intensity of the sun's energy radiation.

Origin of pyrheliometer

First recorded in 1860–65; pyr- + helio- + -meter

OTHER WORDS FROM pyrheliometer

pyr·he·li·o·met·ric [pahyuh r-hee-lee-uh-me-trik, pir-] /ˌpaɪər hi li əˈmɛ trɪk, ˌpɪr-/, adjective

British Dictionary definitions for pyrheliometer

pyrheliometer
/ (pəˌhiːlɪˈɒmɪtə) /

noun

an instrument for measuring the intensity of the sun's radiant energy

Derived forms of pyrheliometer

pyrheliometric (pəˌhiːlɪəʊˈmɛtrɪk), adjective

Scientific definitions for pyrheliometer

pyrheliometer
[ pīr′hē-lē-ŏmĭ-tər ]

An instrument used to measure the total amount of radiation from the Sun that hits a surface. It works by converting the Sun's heat into a voltage that is then recorded by a voltmeter.