lead arsenate

[ led ]
/ lɛd /

noun Chemistry.

a white, crystalline, water-insoluble, highly poisonous powder, PbHAsO4, used as an insecticide.

Origin of lead arsenate

First recorded in 1900–05

British Dictionary definitions for lead arsenate

lead arsenate
/ (lɛd) /

noun

a white insoluble toxic crystalline powder used as an insecticide and fungicide. Formula: Pb 3 (AsO 4) 2