1 penetrant | Definition of penetrant
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penetrant

adjective
pen·​e·​trant | \ ˈpe-nÉ™-trÉ™nt How to pronounce penetrant (audio) \

Definition of penetrant

 (Entry 1 of 2)

1 : penetrating
2 of a gene : producing a phenotypic effect : exhibiting penetrance

penetrant

noun

Definition of penetrant (Entry 2 of 2)

: one that penetrates or is capable of penetrating

Examples of penetrant in a Sentence

Recent Examples on the Web: Noun

 Don’t Forget the Penetrant Always use a penetrant when backing out damaged screws in metal. — Roy Berendsohn, Popular Mechanics, "How to Extract Those Pesky Stripped Screws," 8 Nov. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'penetrant.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of penetrant

Adjective

1543, in the meaning defined at sense 1

Noun

circa 1734, in the meaning defined above

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