tox·​i·​cant | \ˈtäk-si-kənt \

Definition of toxicant 

: a toxic agent especially : pesticide

Examples of toxicant in a Sentence

Recent Examples on the Web

Little ones are more vulnerable to environmental toxicants; their bodies and brains are developing, and early exposures to harmful substances can have lasting impacts. Julia Belluz, Vox, "The Trump administration’s attack on children’s health protections," 27 Sep. 2018 Since then, the California Healthy Nail Salon Collaborative that Liou co-founded has spearheaded a California effort to reduce the toxicants that salon workers touch and breathe. Ellen Knickmeyer, Orange County Register, "State push for healthier nail salons meeting with success," 5 Mar. 2017 Environmental toxicants are equal-opportunity hazards; mercury, asbestos, pesticides and other compounds can cause health problems in humans and animals alike. Emily Anthes, New York Times, "The Mystery of the Wasting House-Cats," 16 May 2017

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

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First Known Use of toxicant

1879, in the meaning defined above

History and Etymology for toxicant

Medieval Latin toxicant-, toxicans, present participle of toxicare to poison, from Latin toxicum

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Dictionary Entries near toxicant







toxic jaundice

Statistics for toxicant

Last Updated

21 Nov 2018

Look-up Popularity

Time Traveler for toxicant

The first known use of toxicant was in 1879

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More Definitions for toxicant


tox·​i·​cant | \ˈtäk-si-kənt \

Medical Definition of toxicant 

: a toxic agent especially : one for insect control that kills rather than repels

More from Merriam-Webster on toxicant

Britannica English: Translation of toxicant for Arabic Speakers

Comments on toxicant

What made you want to look up toxicant? Please tell us where you read or heard it (including the quote, if possible).


a nest or breeding place

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