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Meaning of bolometer

bo•lom•e•ter

Pronunciation: (bō-lom'i-tur, bu-), [key]
— n. Physics.
  1. a device for measuring minute amounts of radiant energy by determining the changes of resistance in an electric conductor caused by changes in its temperature.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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