penetrant

adjective
pen·​e·​trant | \ ˈpe-nə-trənt How to pronounce penetrant (audio) \

Definition of penetrant

 (Entry 1 of 2)

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 That created a pseudo-virus that would mimic 2019-nCoV’s cell-penetrant biology but leave out its ability to replicate and cause illness. Damian Garde, STAT, "In the race to develop a coronavirus treatment, Regeneron thinks it has the inside track," 5 Feb. 2020 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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Time Traveler for penetrant

Time Traveler

The first known use of penetrant was in 1543

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Cite this Entry

“Penetrant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/penetrant. Accessed 7 Aug. 2020.

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