ceilometer Hear it!

ceilometer definition

☆ ceil·om·e·ter (sē läm′ət ər)

noun

an automatic device used to determine the height of a cloud ceiling, as by means of a reflected light beam

Etymology: < ceiling + -o- + -meter

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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