DDD

American  

abbreviation

Chemistry.

1. 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

Upon analysis, they were found to contain insecticide residues identified as toxaphene, DDD, and DDE.

From Literature

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 Literature

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 Literature

But when someone thought to analyze the fatty tissues of the grebes, they were found to be loaded with DDD in the extraordinary concentration of 1600 parts per million.

From Literature

And even the thirty seem to have nested in vain, for no young grebes have been observed on the lake since the last DDD application.

From Literature