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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

But when someone thought of analyzing the fatty tissues of the grebes, they were found to be loaded with DDD in the extraordinary concentration of sixteen hundred parts per million.

From The New Yorker • Jan. 3, 2017

We often celebrate new-found “images” from this or that photographer, but DDD has never received the recognition he truly deserves.

From Time • Jan. 23, 2016

Among these living carriers were fish that had hatched nine months after the last DDD application, grebes, and California gulls that had built up concentrations of more than 2000 parts per million.

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