microfibril

noun
mi·​cro·​fi·​bril | \ˌmī-krō-ˈfī-brəl, -ˈfi-\

Definition of microfibril 

: a fine fibril especially : one of the submicroscopic elongated bundles of cellulose of a plant cell wall

Other Words from microfibril

microfibrillar \ -​brə-​lər \ adjective

First Known Use of microfibril

1938, in the meaning defined above

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The first known use of microfibril was in 1938

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microfibril

noun
mi·​cro·​fi·​bril | \-ˈfīb-rəl, -ˈfib- \

Medical Definition of microfibril 

: an extremely fine fibril

Other Words from microfibril

microfibrillar \ -​rə-​lər \ adjective

More from Merriam-Webster on microfibril

Britannica.com: Encyclopedia article about microfibril

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