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
The agency appealed the DDT's decision in July 2024, asking the Court of Arbitration for Sport (CAS) to ban Thibus for four years.
—
Natasha Dye, People.com, 8 July 2025
The sport’s top court instead upheld a previous ruling from the International Fencing Federation’s doping disciplinary tribunal (DDT) that had already cleared Thibus of any fault.
—CNN Money, 8 July 2025
But decades later, pesticides, including DDT, seeped into waterways and further endangered the species.
—Karissa Waddick, USA Today, 6 July 2025
Orton was able to turn things around with his classic draping DDT, which sent the crowd into a frenzy.
—Blake Oestriecher, Forbes.com, 28 June 2025
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Natasha Dye, People.com, 8 July 2025
The sport’s top court instead upheld a previous ruling from the International Fencing Federation’s doping disciplinary tribunal (DDT) that had already cleared Thibus of any fault.
—CNN Money, 8 July 2025
But decades later, pesticides, including DDT, seeped into waterways and further endangered the species.
—Karissa Waddick, USA Today, 6 July 2025
Orton was able to turn things around with his classic draping DDT, which sent the crowd into a frenzy.
—Blake Oestriecher, Forbes.com, 28 June 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 21 Jul. 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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