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.

Nearby words

pyretogenic, pyretotherapy, pyrex, pyrexia, pyrgeometer, pyrheliometer, pyribenzamine, pyric, pyridine, pyridium, pyridostigmine bromide

Origin of pyrheliometer

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

Related forms

pyr·he·li·o·met·ric

[pahyuh r-hee-lee-uh-me-trik, pir-] /ˌpaɪər hi li əˈmɛ trɪk, ˌpɪr-/, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for pyrheliometer

pyrheliometer

/ (pəˌhiːlɪˈɒmɪtə) /

noun

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

Derived Forms

pyrheliometric (pəˌhiːlɪəʊˈmɛtrɪk), adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for pyrheliometer

pyrheliometer

[ pīr′hē-lē-ŏm′ĭ-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.