- a white, crystalline, water-insoluble, highly poisonous powder, PbHAsO4, used as an insecticide.
Origin of lead arsenate
First recorded in 1900–05
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- a white insoluble toxic crystalline powder used as an insecticide and fungicide. Formula: Pb 3 (AsO 4) 2