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Definition of glacier
glacier
/ˈɡleɪ.ʃɚ/
gla · cier
Adverb:glacially
•Plural:glaciers
•Adjective:glacial
glacier Lexical Profile
CEFR
B1
Grade
5
Tier
2
Usage
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• noun
1
A massive, slowly moving body of dense ice that constantly flows under its own weight, typically formed over centuries by the accumulation and compaction of snow in mountain ranges or polar regions.
Example
"As global temperatures continue to rise, geologists are closely monitoring the rapid retreat of the ancient alpine glacier."
Synonyms
View all synonyms for glacierWord Origin & Etymology
Borrowed from French 'glacier', originating from Franco-Provençal 'glacier', which derives from 'glace' (ice), ultimately from Latin 'glacies'.
Cite this Entry
Wordmom. (2026). Definition of Glacier. In Wordmom Dictionary. Retrieved Oct 14, 2026, from https://wordmom.com/dictionary/glacier