These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pyrethrin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
1882, in the meaning defined above
International Scientific Vocabulary, from Latin pyrethrum
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24 Jan 2021
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“Pyrethrin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pyrethrin. Accessed 25 Feb. 2021.
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