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lead arsenate

[led]
noun Chemistry.
  1. 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
British Dictionary definitions for lead arsenate

lead arsenate

noun
  1. a white insoluble toxic crystalline powder used as an insecticide and fungicide. Formula: Pb 3 (AsO 4) 2
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012