dieldrin

One entry found for dieldrin.

Main Entry: diel·drin
Pronunciation: 'dEl-dr&n
Function: noun
Etymology: Diels-Alder reaction (an addition reaction forming a 6-membered ring), after Otto Diels & Kurt Alder
: a white crystalline persistent toxic chlorinated hydrocarbon C₁₂H₈Cl₆O used especially formerly as an insecticide