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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

The chemical chosen for a fresh attack was DDD, an insecticide that apparently offered fewer threats to fish life than DDT.

From The New Yorker • Jan. 3, 2017

I met DDD, a personal hero, at an event many years ago and we were discussing the effectiveness of photojournalism as an agent of change.

From Time • Jan. 23, 2016

Although the California Department of Public Health professed to see no hazard, nevertheless in 1959 it required that the use of DDD in the lake be stopped.

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