1
a
: the action or process of becoming ice : freezing
b
: the formation of ice sheets
specifically
: the formation of glaciers
an age of extensive glaciation
2
a
: the condition of being covered by ice sheets or glaciers
specifically
: glacial
deposits laid down during the period of the second glaciation —
American Anthropologist
b(1)
: subjection to the action of glaciers
cycles of weathering and glaciation—
Russell Lord
(2)
: the effects produced by the action of glaciers
glaciation that is clearly evident throughout the area
Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
Merriam-Webster unabridged
Share