Greaseproof
the GNU version of the Collaborative International Dictionary of English
adjective.
resistant to penetration by grease or oil or wax.
Wiktionary, Creative Commons Attribution/Share-Alike License
adjective.
Resistant to
grease
.
verb.
To make resistant to
grease
.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adjective.
resistant to penetration by grease or oil or wax
Word Usage
"I would grease and line the tin with what we call greaseproof paper or baking paper."