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2,4-D

British

noun

a synthetic auxin widely used as a weedkiller; 2,4-dichlorophenoxyacetic acid

"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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The long list of endocrine-disrupting pesticides includes the herbicide 2,4-D, which is registered for use in agricultural fields, golf courses and home landscapes — it’s a common ingredient in “weed & feed” lawn care products.

From Seattle Times • Apr. 29, 2024

In addition, it found that 66.2% of the participants had an herbicide in their urine known as 2,4-D.

From Salon • Oct. 12, 2023

The herbicide 2,4-D was developed as a biochemical weapon that would later be used in Agent Orange.

From Los Angeles Times • Aug. 11, 2023

The benzene ring is also found in the herbicide 2,4-D.

From Textbooks • Jun. 9, 2022

The herbicide 2,4-D has also produced tumorlike swellings in treated plants.

From "Silent Spring" by Rachel Carson

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023