Meaning of the word glaciation in English

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

glaciation

US /ˌɡleɪ.siˈeɪ.ʃən/
UK /ˌɡleɪ.siˈeɪ.ʃən/
"glaciation" picture

Noun

the process, condition, or result of being covered by glaciers or ice sheets

Example:
Evidence of past glaciation can be seen in the U-shaped valleys.
The region underwent extensive glaciation during the last ice age.