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aneroid capsule

American  

noun

Meteorology.

  1. a box or chamber of thin metal, partially exhausted of air, used in the aneroid barometer and pressure altimeter.

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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