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DDD

American

abbreviation

Chemistry.

dichlorodiphenyldichloroethane: a colorless or white crystalline metabolite of DDT, C 14 H 10 Cl 4 , used as an insecticide: agricultural use is prohibited in the United States.

Etymology

Origin of DDD

First recorded in 1945–50

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The researchers tested AIM's clinical exome reanalysis on a dataset of UDN and DDD cases and found that it was able to correctly identify 57% of diagnosable cases.

From Science Daily • Apr. 25, 2024

The brand has historically offered up to a size DDD, with sizes in the D range difficult to find in stock.

From Slate • Jun. 17, 2021

Among these living carriers were fish that had hatched nine months after the last application of DDD.

From The New Yorker • Jan. 3, 2017

My sense of Palestine in the late 1940s is courtesy of DDD.

From Time • Jan. 23, 2016

The physiological effect of DDD is probably unique among insecticides, for it destroys part of the adrenal gland — the cells of the outer layer known as the adrenal cortex, which secretes the hormone cortin.

From "Silent Spring" by Rachel Carson

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023