id·​i·​oph·​a·​nous | \ ¦idē¦äfənəs \

Definition of idiophanous

of a crystal
: exhibiting interference figures without the aid of a polariscope

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 idiophanous

1892, in the meaning defined above

History and Etymology for idiophanous

idio- + phan- (from Greek phainein to show) + -ous

Keep scrolling for more

Learn More about idiophanous

Time Traveler for idiophanous

Time Traveler

The first known use of idiophanous was in 1892

See more words from the same year

Statistics for idiophanous

Cite this Entry

“Idiophanous.” Dictionary, Merriam-Webster, Accessed 20 Oct. 2020.

Comments on idiophanous

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


Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
Spell It

Can you spell these 10 commonly misspelled words?

Syn City

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!