greaseproof

from WordNet (r) 3.0 (2006)
greaseproof
    adj 1: resistant to penetration by grease or oil or wax;
           "greaseproof wrapping paper"
    
from The Collaborative International Dictionary of English v.0.48
greaseproof \grease"proof\ adj.
   resistant to penetration by grease or oil or wax; as,
   greaseproof wrapping paper.
   [WordNet 1.5]
    

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