1 unreactive | Definition of unreactive
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unreactive

adjective
un路​re路​ac路​tive | \ 藢蓹n-r膿-藞ak-tiv How to pronounce unreactive (audio) \

Definition of unreactive

: not tending to react : not reactive pupils unreactive to light chemically unreactive solvents

Examples of unreactive in a Sentence

Recent Examples on the Web

 These are the types of lasers that are best suited to photonics applications that need to use inert materials鈥攐xides are very unreactive鈥攁nd need to be small. — Chris Lee, Ars Technica, "Wireless nanowire lasers absorb infrared, emit blue light," 1 June 2019 Although nitrogen is the most abundant element in air, the molecular form of nitrogen found there is largely unreactive. — Diana Gitig, Ars Technica, "Plants repeatedly got rid of their ability to obtain their own nitrogen," 27 May 2018

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

First Known Use of unreactive

1832, in the meaning defined above

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More Definitions for unreactive

unreactive

adjective
un路​re路​ac路​tive | \ -r膿-藞ak-tiv How to pronounce unreactive (audio) \

Medical Definition of unreactive

: not reactive pupils unreactive to light an unreactive gas

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