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micropore

American  
[mahy-kruh-pawr, -pohr] / ˈmaɪ krəˌpɔr, -ˌpoʊr /

noun

  1. a tiny opening, as in specialized biological filters or in the shells of some animals.

Etymology

Origin of micropore

First recorded in 1880–85; micro- + pore 2

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

These micropore dimensions are relevant for many valuable chemical intermediates, and therefore MFI-type zeolites are widely used in the chemical industry as selective catalysts or adsorbents3, 4, 5.

From Nature • Mar. 14, 2017

She had changed out of her maid’s uniform into civvies: smart coveralls whose micropore fabric breathed in time with her own respiration.

From Down and Out in the Magic Kingdom by Doctorow, Cory

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.