glyph·​o·​sate | \ ˈgli-fə-ˌsāt How to pronounce glyphosate (audio) , ˈglī- \

Definition of glyphosate

: a systemic organophosphate herbicide C3H8NO5P used to control herbaceous and woody weeds especially on croplands

Examples of glyphosate in a Sentence

Recent Examples on the Web The International Association for Research on Cancer, an arm of the World Health Organization, concluded in 2015 that glyphosate is a probable cause of cancer in humans, a finding later endorsed by California health officials. Bob Egelko,, "Roundup cancer case appeals — by plaintiff and defendant — turned down by Calif. Supreme Court," 21 Oct. 2020 The company denies glyphosate is a carcinogen, a position backed by the U.S. Environmental Protection Agency. Tim Loh, Fortune, "Bayer agrees to pay $12 billion in legal settlements, in effort to put Roundup scandal behind it," 25 June 2020 Roundup users blame glyphosate -- Roundup’s active ingredient -- for causing their non-Hodgkin’s lymphomas. Jef Feeley,, "Bayer Extends CEO’s Contract, Sees Progress on Roundup Deals," 10 Sep. 2020 The scientific debate on the dangers of glyphosate is ongoing. Stefano Pozzebon, CNN, "Colombia wants to resume spraying a toxic chemical to fight cocaine. Critics say it's too risky," 28 Aug. 2020 The original Round Up was a grass killer that contained the active ingredient glyphosate. Neil Sperry,, "Neil Sperry: Will this persimmon succumb to gall growths?," 27 Aug. 2020 Instead, the researchers settled on cutting down the saplings and poisoning the adult palms with the herbicide glyphosate. Kenneth R. Weiss, Science | AAAS, "To save this palm-filled paradise, biologists must kill the trees," 27 Aug. 2020 Ex-Roundup users blame glyphosate for their non-Hodgkin’s lymphoma and other cancers. Tim Loh, Fortune, "Bayer agrees to pay $12 billion in legal settlements, in effort to put Roundup scandal behind it," 25 June 2020 It's recommended to make oat milk using organic whole oats since some non-organic brands have found traces of a pesticide called glyphosate. Katlyn Moncada, Better Homes & Gardens, "It's Incredibly Easy (and Cheap) to Make Your Own Oat Milk at Home," 18 Aug. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'glyphosate.' 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 glyphosate

1972, in the meaning defined above

History and Etymology for glyphosate

perhaps from International Scientific Vocabulary glycine + phosph- + -ate entry 1

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Time Traveler for glyphosate

Time Traveler

The first known use of glyphosate was in 1972

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Statistics for glyphosate

Last Updated

1 Nov 2020

Cite this Entry

“Glyphosate.” Dictionary, Merriam-Webster, Accessed 28 Nov. 2020.

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