(~s, ~ing, ~ed)
1.
~ combines with nouns and verbs to form adjectives which indicate that something cannot be damaged or badly affected by the thing or action mentioned.
...a bomb~ aircraft...
In a large microwave~ dish, melt butter for 20 seconds.
COMB in ADJ
2.
~ combines with nouns to form verbs which refer to protecting something against being damaged or badly affected by the thing mentioned.
...home energy efficiency grants towards the cost of draught~ing your home.
...inflation~ed pensions.
COMB in VERB: V n, V-ed
3.
see also bullet~ , childproof , damp~ course , fireproof , ovenproof , soundproof , waterproof , weatherproof