corresponding or similar in position or structure or function or characteristics; especially derived from an organism of the same species; "a homologous tissue graft"
having the same evolutionary origin but serving different functions; "the wing of a bat and the arm of a man are homologous"
moving from one place to another and back again; "he traveled back and forth between Los Angeles and New York"; "the treetops whipped to and fro in a frightening manner"; "the old man just sat on the porch and rocked back and forth all day"
corresponding in function but not in evolutionary origin; "the wings of a bee and those of a hummingbird are analogous"
similar or equivalent in some respects though otherwise dissimilar; "brains and computers are often considered analogous"; "salmon roe is marketed as analogous to caviar"
(mathematics, logic) such that the arguments or roles can be interchanged; "the arguments of the symmetric relation, `is a sister of,' are interchangeable"
something (a term or expression or concept) that has a reciprocal relation to something else; "risk is the reciprocal of safety"
of or relating to the multiplicative inverse of a quantity or function; "the reciprocal ratio of a:b is b:a"
concerning each of two or more persons or things; especially given or done in return; "reciprocal aid"; "reciprocal trade"; "mutual respect"; "reciprocal privileges at other clubs"