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milliradian

American

[mil-uh-rey-dee-uhn] / ˈmɪl əˌreɪ di ən /

noun

one thousandth of a radian.

Etymology

Origin of milliradian

First recorded in 1950–55; milli- + radian

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.