Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

amphibole

play
noun am·phi·bole \ˈam(p)-fə-ˌbōl\

Definition of amphibole

  1. 1 :  hornblende

  2. 2 :  any of a group of complex silicate minerals with like crystal structures that contain calcium, sodium, magnesium, aluminum, or iron ions or a combination of them



Origin and Etymology of amphibole

French, from Late Latin amphibolus, from Greek amphibolos ambiguous, from amphiballein to throw round, doubt, from amphi- + ballein to throw — more at devil


First Known Use: circa 1823


Medical Dictionary

amphibole

play
noun am·phi·bole \ˈam(p)-fə-ˌbōl\

Medical Definition of amphibole

  1. :  any of a group of complex silicate minerals with like crystal structures that contain calcium, sodium, magnesium, aluminum, and iron ions or a combination of them—see crocidolite




Learn More about amphibole


Seen and Heard

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

WORD OF THE DAY

a very small amount

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

alphabet-pasta-spelling-help

Which is the correct spelling?

acommodate accommodate acommadate accomodate
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ