follow Dictionary.com

11 Trending Words of 2014

pyrheliometer

[pahyuh r-hee-lee-om-i-ter, pir-] /ˌpaɪər hi liˈɒm ɪ tər, ˌpɪr-/
noun, Astrophysics.
1.
an instrument for measuring the total intensity of the sun's energy radiation.
Origin
1860-1865
1860-65; pyr- + helio- + -meter
Related forms
pyrheliometric
[pahyuh r-hee-lee-uh-me-trik, pir-] /ˌpaɪər hi li əˈmɛ trɪk, ˌpɪr-/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
Examples from the web for pyrheliometer
  • Each pyrheliometer compared consists of a sensing unit and a control unit.
  • The effect of cleaning the pyrheliometer window is evident from the change in direct normal irradiance prior to local solar noon.
  • Solar radiation incident on the sea surface is usually measured with a pyrheliometer.
British Dictionary definitions for pyrheliometer

pyrheliometer

/pəˌhiːlɪˈɒmɪtə/
noun
1.
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
Cite This Source
pyrheliometer in Science
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for pyrheliometer

Few English speakers likely know this word

Word Value for pyrheliometer

0
24
Scrabble Words With Friends

Nearby words for pyrheliometer