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DDT

noun \ˌdē-(ˌ)dē-ˈtē\

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

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DDT

DDT

Definition of DDT

Learn More About DDT

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DDT

DDT

Definition of DDT

Learn More About DDT

Test Your Vocabulary

Name That Thing

True or False?

Join Us on FB & Twitter

Get Our Free Apps

The Merriam-Webster

Unabridged Dictionary

Learning English?

We can help.

Our Dictionary,On Your Devices

Visit Our Store

Join Us

Bookstore: Digital and Print

Other Merriam-Webster Dictionaries

Our Dictionary,
On Your Devices