DDT

noun

\ ˌdē-(ˌ)dē-ˈtē

Definition of DDT

: 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

Keep scrolling for more

Learn More about DDT

Dictionary Entries near DDT

Statistics for DDT

Cite this Entry

“DDT.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/DDT. Accessed 8 Mar. 2021.

Style: MLA

MLA

Chicago

APA

Merriam-Webster

Keep scrolling for more

More Definitions for DDT

DDT

noun

English Language Learners Definition of DDT

: a poisonous chemical that was used especially in the past to protect plants from insects and that is now banned in the U.S.

See the full definition for DDT in the English Language Learners Dictionary

DDT

noun

\ ˌdē-ˌdē-ˈtē

Kids Definition of DDT

: a chemical that was used as an insecticide until it was found to damage the environment

DDT

noun

\ ˌdē-(ˌ)dē-ˈtē

Medical Definition of DDT

: 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