- chlorite (1)
- "A dark green mineral consisting of a basic hydrated aluminosilicate of magnesium and iron. It occurs as a constituent of many rocks, typically forming flat crystals resembling mica", Late 18th century: via Latin from Greek khlōritis, a green precious stone.
- chlorite (2)
- "A salt of chlorous acid, containing the anion ClO2−", Mid 19th century: from chlorine + -ite1.