Meaning of thermopile

ther•mo•pile

Pronunciation: (thûr'mu-pīl"), [key]
— n. Physics.
  1. a device consisting of a number of thermocouples joined in series, used for generating thermoelectric current or for detecting and measuring radiant energy, as from a star.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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