ice age

American  

[ahys eyj] / ˈaɪs ˌeɪdʒ /

noun

Geology.

1. a geologic period during which ice thickly covers vast masses of land.

   astronomical phenomena related to the widespread glaciation of ice ages.

2. Ice Age, the most recent of the earth’s many ice ages, occurring during the Pleistocene Epoch.

   Our familiar continents were shaped quite differently before the Ice Age.

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ice age British  

noun

1. another name for glacial period

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ice age Scientific  

1. Any of several cold periods during which glaciers covered much of the Earth.

2. Ice Age. The most recent glacial period, which occurred during the Pleistocene Epoch and ended about 10,000 years ago. During the Pleistocene Ice Age, great sheets of ice up to two miles thick covered most of Greenland, Canada, and the northern United States as well as northern Europe and Russia.

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Etymology

Origin of ice age

First recorded in 1870–75

Example Sentences

Sir Keir Starmer's visit to China this week is the clearest sign yet the two countries are seeking to end the diplomatic "ice age" that has defined their relationship.

From BBC • Jan. 30, 2026

Even so, the effect could be enough to bring forward the beginning of the next ice age.

From Science Daily • Dec. 21, 2025

During an ice age, glaciers and ice sheets expand, and varying temperatures cause these ice masses to repeatedly advance and shrink.

From Science Daily • Nov. 26, 2025

This area contains a series of long, shallow grooves set within a landscape of deep valleys, scattered impact craters, and surface textures that point to a distant ice age on the Red Planet.

From Science Daily • Nov. 26, 2025

About 18,000 years ago, the last ice age gave way to a period of global warming.

From "Sapiens: A Brief History of Humankind" by Yuval Noah Harari