definition of
revision

[1] #1 revision n. [alteration] the act of revising or altering (involving reconsideration and modification); "it would require a drastic revision of his opinion". wn

[2] #2 revision n. [revisal, revise, rescript] the act of rewriting something. wn

[3] #3 revision n. [rewrite, rescript] something that has been written again; "the rewrite was much better". wn