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Synonyms

unreactive

British  
/ ˌʌnrɪˈæktɪv /

adjective

  1. (of a substance) not readily partaking in chemical reactions

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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A currently unexplained phenomenon is the loss of the unreactive gas xenon from our atmosphere more than 2.5 billion years ago.

From Science Daily Apr. 24, 2024

Atmospheric nitrogen consists of N2 molecules, which are very unreactive due to the strong nitrogen-nitrogen triple bond.

From Textbooks Feb. 14, 2019

It is also reasonably cheap, unreactive and easy to purify.

From Economist Jan. 11, 2018

UK-based Econic Technologies has invented a way of encouraging CO2 - a typically unreactive gas - to react with the petrochemical raw materials used in the making of many plastics.

From BBC Oct. 9, 2017

The trouble is that CO2 is a very stable, unreactive molecule.

From Science Magazine Sep. 10, 2015

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