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
Since that mutation, and the phasing out of DDT, an uptick in international travel and increasing urban population density, bed bug numbers have exploded.
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Bronwyn Thompson, New Atlas, 28 May 2025
Finn Balor hit a one-man stereo DDT/reverse DDT on Rollins and Zayn.
—Alfred Konuwa, Forbes.com, 27 May 2025
The raptors’ recovery after DDT was banned in 1972 has been hailed as an environmental success story.
—Ethan Baron, Mercury News, 24 May 2025
Pesticide called ‘new DDT’ has been found in CT waterways.
—John Moritz, Hartford Courant, 16 May 2025
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Bronwyn Thompson, New Atlas, 28 May 2025
Finn Balor hit a one-man stereo DDT/reverse DDT on Rollins and Zayn.
—Alfred Konuwa, Forbes.com, 27 May 2025
The raptors’ recovery after DDT was banned in 1972 has been hailed as an environmental success story.
—Ethan Baron, Mercury News, 24 May 2025
Pesticide called ‘new DDT’ has been found in CT waterways.
—John Moritz, Hartford Courant, 16 May 2025
See All Example Sentences for DDT
Cite this Entry
“DDT.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/DDT. Accessed 6 Jun. 2025.
Copy CitationKids 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
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