"revising" in the noun sense
1. rewriting, revising
editing that involves writing something again
"revising" in the verb sense
1. revise
make revisions in
"revise a thesis"
2. retool, revise
revise or reorganize, especially for the purpose of updating and improving
"We must retool the town's economy"
Source: WordNet® (An amazing lexical database of English)
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