pyrheliometer

[ pahyuhr-hee-lee-om-i-ter, pir- ]

noun

, Astrophysics.

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

pyrheliometer

/ pəˌhiːlɪəʊˈmɛtrɪk; pəˌhiːlɪˈɒmɪtə /

noun

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

pyrheliometer

/ pīr′hē-lē-ŏm′ĭ-tər /

1. 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.

Derived Forms

• pyrheliometric, adjective

Other Words From

• pyr·he·li·o·met·ric [pahy, uh, r-hee-lee-, uh, -, me, -trik, pir-], adjective

Word History and Origins

Origin of pyrheliometer¹

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