Aceratherium

noun
Acera·​the·​ri·​um | \ ¦āˌserəˈthirēəm \

Definition of Aceratherium

: a genus of extinct hornless rhinoceroses of the Oligocene, Miocene, and Pliocene

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!

First Known Use of Aceratherium

circa 1845, in the meaning defined above

History and Etymology for Aceratherium

New Latin, irregular from Greek akeratos + New Latin -therium

Keep scrolling for more

Learn More about Aceratherium

Time Traveler for Aceratherium

Time Traveler

The first known use of Aceratherium was circa 1845

See more words from the same year

Statistics for Aceratherium

Cite this Entry

“Aceratherium.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/Aceratherium. Accessed 13 December 2019.

Comments on Aceratherium

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

WORD OF THE DAY

easily led, controlled, or managed

Get Word of the Day daily email!

Test Your Vocabulary

Great Scrabble Words—A Quiz

  • scrabble tiles that read scrabble quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Dictionary Devil

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!