Dictionary.com Thesaurus.com

microinch

American

[mahy-kroh-inch] / ˈmaɪ kroʊˌɪntʃ /

noun

a unit of length equal to one millionth of an inch. μin

Etymology

Origin of microinch

First recorded in 1940–45; micro- + inch ¹

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.