iron sulphate
(US iron sulfate)
noun
1Iron (ii) sulphate (ferrous sulphate), FeSO4, a green crystalline solid used in dyeing, nutritional supplements, water purification, etc.
2Iron (iii) sulphate (ferric sulphate), Fe2(SO4)3, a yellow crystalline solid used as a mordant in dyeing.
Origin
Mid 19th century; earliest use found in The Mechanics' Magazine.
- collective mark
- collective memory
- collectiveness
- collective noun
- collective ownership
- collective security
- collective unconscious
- collectivise
- collectivism
- collectivist
- collectivistic
- collectivity
- collectivization
- collectivize
- collector
- collectorate
- collector's item
- collector's piece
- colleen
- college
- College Board
- college-bound
- College of Arms
- College of Cardinals
- college of education