Below are possible answers for the crossword clue Alternation.
11 letter answer(s) to alternation
INTERCHANGE
a junction of highways on different levels that permits traffic to move from one to another without crossing traffic streams
cause to change places; "interchange this screw for one of a smaller size"
give to, and receive from, one another; "Would you change places with me?"; "We have been exchanging letters for a year"
mutual interaction; the activity of reciprocating or exchanging (especially information)
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"
reciprocal transfer of equivalent sums of money (especially the currencies of different countries); "he earns his living from the interchange of currency"
reverse (a direction, attitude, or course of action)
the act of changing one thing for another thing; "Adam was promised
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