a junction of highways on different levels that permits traffic to move from one to another without crossing traffic streams
mutual interaction; the activity of reciprocating or exchanging (especially information)
the act of changing one thing for another thing;"Adam was promised immortality in exchange for his disobedience" "there was an interchange of prisoners"
reciprocal transfer of equivalent sums of money (especially the currencies of different countries);"he earns his living from the interchange of currency"
Verb:
put in the place of another; switch seemingly equivalent items;"the con artist replaced the original with a fake Rembrandt" "substitute regular milk with fat-free milk" "synonyms can be interchanged without a changing the context"s meaning"
give to, and receive from, one another;"Would you change places with me?" "We have been exchanging letters for a year"
cause to change places;"interchange this screw for one of a smaller size"
reverse (a direction, attitude, or course of action)
中英词源
interchange 相互交流WWw.WentiYi.CoM
inter-,在内，在中间，相互，change,改变，交流。
interchange (v.)
late 14c., from Old French entrechangier, from entre- (see inter-) + changier "to change" (see change (v.)). Related: Interchanged; interchanging.
interchange (n.)
1540s, "act of exchange, from Old French entrechange, from entrechangier (see interchange (v.)). In reference to a type of road junction, 1944.
