n. | 1. | The reciprocal succession of things in time or place; the act of following and being followed by turns; alternate succession, performance, or occurrence; | |||
2. | (Math.) Permutation. | ||||
3. | The response of the congregation speaking alternately with the minister.
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Noun | 1. | alternation - being regularly exchangeable |
2. | alternation - successive change from one thing or state to another and back again |