microinch

noun
mi·​cro·​inch | \ ˌmī-krō-ˈinch How to pronounce microinch (audio) \

Definition of microinch

: one millionth of an inch

First Known Use of microinch

1941, in the meaning defined above

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The first known use of microinch was in 1941

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Cite this Entry

“Microinch.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microinch. Accessed 22 Sep. 2020.

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