Noun: alternation ,ol-tur'ney-shun [N. Amer], ,ól-tu(r)'ney-shun or ,ol-tu(r)'ney-shun [Brit]
- Successive change from one thing or state to another and back again
"a trill is a rapid alternation between the two notes"
Derived forms: alternations
Type of: sequence, succession
Encyclopedia: Alternation