draftproofing
English
Etymology 1
From draftproof + -ing.
Noun
draftproofing (uncountable)
- US standard spelling of draughtproofing.
Etymology 2
Verb
draftproofing
- present participle and gerund of draftproof
From draftproof + -ing.
draftproofing (uncountable)
draftproofing