pyrheliometer Hear it!

pyrheliometer definition

pyr·he·li·om·eter (pīr hē′lē äm′ət ər, pir-)

noun

an instrument for measuring the amount of energy given off by the sun

Etymology: pyr- + helio- + -meter

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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