glacial epoch


Definition of glacial epoch

1 : any of those parts of geologic time from Precambrian onward in both the northern and southern hemispheres during which a much larger portion of the earth was covered by glaciers than at present
2 usually capitalized G & often capitalized E : the Pleistocene epoch

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Learn More about glacial epoch

Statistics for glacial epoch

Cite this Entry

“Glacial epoch.” Dictionary, Merriam-Webster, Accessed 14 Jul. 2020.

Comments on glacial epoch

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


See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

Words for Summer: A Quiz

  • a closeup of a sunflower
  • Which of the following words means “of or relating to summer”?
Spell It

Can you spell these 10 commonly misspelled words?

Bee Cubed

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

Love words? Need even more definitions?

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