saf·​en·​er | \ -f(ə)nə(r) \
plural -s

Definition of safener

: a chemical used in an insecticidal or fungicidal spray to prevent damage to trees and foliage by the other ingredients in the spray

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First Known Use of safener

1933, in the meaning defined above

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The first known use of safener was in 1933

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Cite this Entry

“Safener.” Dictionary, Merriam-Webster, Accessed 29 Oct. 2020.

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