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nephometer

American

[ne-fom-i-ter] / nɛˈfɒm ɪ tər /

noun

an instrument for measuring the amount of cloud cover in the sky.

Etymology

Origin of nephometer

First recorded in 1905–10; nepho- + -meter

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.