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DDT
noun
: a colorless odorless water-insoluble insecticide C14H9Cl5 that is an aromatic organochlorine banned in the U.S. that tends to accumulate and persist in ecosystems and has toxic effects on many vertebrates
Examples of DDT in a Sentence
Recent Examples on the Web
Instead, Omega established himself in independent promotions around the world as well as New Japan Pro-Wrestling, Ring of Honor, DDT Pro-Wrestling, and more.
—Jeremy Hanna, Newsweek, 19 Dec. 2024
Michigan's bald eagle population has rebounded after plummeting due to pollutants in waterways and widespread use of the pesticide DDT, which negatively affected the eagles’ ability to reproduce.
—Jalen Williams, Detroit Free Press, 19 Dec. 2024
But in that decade, a new threat emerged: the insecticide DDT, which caused eggshells to thin and easily break.
—Rachel Treisman, NPR, 18 Dec. 2024
Bullet Club has gone on to become one of the most successful wrestling stables of all time, winning championships in AEW, Ring of Honor, DDT Pro-Wrestling, NJPW, National Wrestling Alliance, and more.
—Daniel R. Depetris, Newsweek, 7 Dec. 2024
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Word History
Etymology
dichlor- + diphenyl + trichlor- (from tri- + chlor-)
First Known Use
1943, in the meaning defined above
Dictionary Entries Near DDT
Cite this Entry
“DDT.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/DDT. Accessed 6 Jan. 2025.
Kids Definition
DDT
noun
: a colorless formerly used insecticide that is poisonous to many animals with backbones
Medical Definition
DDT
noun
: a colorless odorless water-insoluble crystalline insecticide C14H9Cl5 that tends to accumulate in ecosystems and has toxic effects on many vertebrates
called also chlorophenothane, dicophane
More from Merriam-Webster on DDT
Britannica.com: Encyclopedia article about DDT
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