red lead


General Science

  • noun a poisonous red oxide of lead, used as a colouring in paints.

Cars & Driving

  • noun a poisonous, bright-red powder, soluble in excess glacial acetic acid and dilute hydrochloric acid; used for corrosion protection


  • A compound of lead used in paints to improve the anticorrosive properties of the paint used on steel and iron.