pyranometer (pĭrˌənŏmˈətər) [key], actinometer used to measure the total radiation incident on a surface.

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.

More on pyranometer from Fact Monster:

See more Encyclopedia articles on: Meteorological Instruments

Play Hangman

Play Poptropica

Play Quizzes

Play Tic Tac Toe