: an insecticide C14H10Cl4 closely related chemically and similar in properties to DDT

Word History

Etymology

dichlor- + diphenyl + dichlor-

First Known Use

1946, in the meaning defined above

Time Traveler
The first known use of DDD was in 1946

Dictionary Entries Near DDD

Cite this Entry

“DDD.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/DDD. Accessed 23 Jul. 2024.

Medical Definition

: an insecticide C14H10Cl4 closely related chemically and similar in properties to DDT
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