Part of speech:
The act, fact, or process of varying; change or deviation in form, condition, appearance, extent, etc. from a former or usual state, or from an assumed standard
The pitchers used in such a sequence:
The result of this; something transposed
The working period of such a group:
A highway intersection designed to permit traffic to move freely from one road to another without crossing another line of traffic.
Something different; variety:
Find another word for alternation. In this page you can discover 11 synonyms, antonyms, idiomatic expressions, and related words for alternation, like: variation, rotation, transposition, shift, interchange, change, teeter-tottering, intermeshing, interworking, periodicalness and seasonality.