ice age

noun

Definition of ice age

1 : a time of widespread glaciation
2 capitalized I&A : the Pleistocene glacial epoch

Examples of ice age in a Sentence

changes that occurred during the last ice age

Recent Examples on the Web

The immediate cause of the ice age was a drop in atmospheric carbon dioxide by around 8 parts per million. Avery Thompson, Popular Mechanics, "European Discovery of the Americas Killed So Many People It Made the Earth Colder," 5 Feb. 2019 His collection also sheds light on how moraine study in general helped geologists in New York and elsewhere discover that the planet had experienced a series of ice ages. William J. Broad, New York Times, "How the Ice Age Shaped New York," 5 June 2018 Instead, this cooling is caused by a minor ice age that happened hundreds of years ago. Avery Thompson, Popular Mechanics, "One Part of the Ocean Is Getting Colder, Thanks to Medieval Climate Change," 7 Jan. 2019 Is the big one about to blow, blanketing the U.S. with ash and sending the Earth into a volcanic ice age? Fox News, "Quakes and eruptions spark talks of Yellowstone supervolcano," 2 Oct. 2018 The idea that there was widespread scientific belief in the 1970s about a new ice age is common among climate change skeptics, though in reality scientific concern over global cooling was limited. Andrew Kaczynski And Nathan Mcdermott, CNN, "Trump's pick for top UN migration job gave misleading answers on tweets critical of climate change," 8 May 2018 Their study may help explain why tail weaponry has gone missing since dinosaurs and some ice age animals went extinct. Nicholas St. Fleur, New York Times, "Where Did Animals With Tail Weapons Go? Here’s a Back Story," 16 Jan. 2018 Both monuments represent a leap beyond the naturalistic images of the ice age. Andrew Curry, Science | AAAS, "This 11,000-year-old statue unearthed in Siberia may reveal ancient views of taboos and demons," 25 Apr. 2018 These ice ages are caused by the planet's slowly-shifting rotational tilt. William Herkewitz, Popular Mechanics, "Study Says Mars Had a Lot of Water Just 500,000 Years Ago," 23 June 2015

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ice age.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of ice age

1855, in the meaning defined at sense 1

Keep scrolling for more

Learn More about ice age

Dictionary Entries near ice age

-ice

ICE

Ice

ice age

ice anchor

ice apron

ice ax

Statistics for ice age

Last Updated

9 Mar 2019

Look-up Popularity

Time Traveler for ice age

The first known use of ice age was in 1855

See more words from the same year

Keep scrolling for more

More Definitions for ice age

ice age

noun

English Language Learners Definition of ice age

: a time in the distant past when a large part of the world was covered with ice

ice age

noun

Kids Definition of ice age

: a period of time during which much of the earth is covered with glaciers

Keep scrolling for more

More from Merriam-Webster on ice age

Rhyming Dictionary: Words that rhyme with ice age

Nglish: Translation of ice age for Spanish Speakers

Britannica.com: Encyclopedia article about ice age

Comments on ice age

What made you want to look up ice age? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

grandiloquent, ostentatious, or bombastic

Get Word of the Day daily email!

Test Your Vocabulary

Original Meanings Quiz

  • rembrandt-painting-a-young-scholar-and-his-tutor
  • Which of the following is the earliest known sense of the word awe?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!