lead azide

[led]
noun Chemistry.
  1. a highly toxic, colorless crystalline compound, Pb(N3)2, that detonates at 660°F (350°C) and is used as a detonator for explosives.

Origin of lead azide

First recorded in 1910–15
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018