DDD

abbreviation for

, 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.

Word History and Origins

Origin of DDD¹

First recorded in 1945–50

Example Sentences

“Once you are outside of the A through DDD cup sizes, then there’s the scary unknown,” DuMal says.

From Slate

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

For now, DDE is not one of them, but the board said it would begin making rules to require testing for DDE and a related compound, DDD, in cannabis products — though what form that testing might take and whether it would be required of all growers and processors was not clear.

From Seattle Times

For now, DDE is not one of them, but the board said it would begin making rules to require testing for DDE and a related compound, DDD, in cannabis products - though what form that testing might take and whether it would be required of all growers and processors was not clear.

From Washington Times

If someone wears a DDD — the average woman’s cup size in America, according to True & Co. — are they a 1, 2 or 3?

From New York Times