ae·​tha·​li·​oid | \ ē-ˈthā-lē-ˌȯid \

Definition of aethalioid

: resembling or belonging to an aethalium

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 aethalioid

1892, in the meaning defined above

History and Etymology for aethalioid

New Latin aethali(um) + English -oid

Keep scrolling for more

Learn More about aethalioid

Time Traveler for aethalioid

Time Traveler

The first known use of aethalioid was in 1892

See more words from the same year

Statistics for aethalioid

Cite this Entry

“Aethalioid.” Dictionary, Merriam-Webster, Accessed 23 Sep. 2020.

Comments on aethalioid

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


Test Your Vocabulary

Homophone Quiz

  • three bears two of them look like theyre whispering to a third bear who looks chuffed to be the center of attention
  • In order to judge how people felt, the senator's office hired a firm to take a ______.
Spell It

Can you spell these 10 commonly misspelled words?

Dictionary Devil

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!