'greaseproof' definitions:
Definition of 'greaseproof'
(from WordNet)
adjective
Resistant to penetration by grease or oil or wax; "greaseproof wrapping paper"
Definition of 'greaseproof'
From: GCIDE
- greaseproof \grease"proof\ adj. resistant to penetration by grease or oil or wax; as, greaseproof wrapping paper. [WordNet 1.5]