Meaning of the word alternation in English

What does alternation mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

alternation

US /ˌɑːl.tɚˈneɪ.ʃən/
UK /ˌɒl.təˈneɪ.ʃən/

Noun

the repeated occurrence of two or more things in turn

Example:
The poem uses an alternation of stressed and unstressed syllables.
We observed an alternation of sunny and cloudy days.