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early 15c., from Latin finitus, past participle of finire "to limit, set bounds, end," from finis (see finish (v.)). Related: Finitely.
Relating to a set that cannot be put into a one-to-one correspondence with any proper subset of its own members.
Relating to or being a numerical quantity describing the size of such a set.
Being a member of the set of real or complex numbers.
Being a quantity that is non-zero and not infinite.