- pertaining to or derived from apples.
- Chemistry. of or derived from malic acid.
adj.1797, from French malique (18c.), from Latin malum “apple” (the acid, discovered 1785 by Scheele, was obtained from unripe apples and other fruits), from Greek melon (Doric malon) “apple,” probably from a pre-Greek Mediterranean language. The Latin and Greek words also meant “fruit” generally, especially if exotic.