amygdaloidal

adjective
amyg·​da·​loi·​dal | \ ə-ˌmig-də-ˈlȯi-dᵊl How to pronounce amygdaloidal (audio) \

Definition of amygdaloidal

: of, being, or containing small cavities in igneous rock that are filled with deposits of different minerals (such as chalcedony)

Other Words from amygdaloidal

amygdaloid \ ə-​ˈmig-​də-​ˌlȯid How to pronounce amygdaloidal (audio) \ noun

First Known Use of amygdaloidal

1797, in the meaning defined above

Keep scrolling for more

Learn More About amygdaloidal

Time Traveler for amygdaloidal

Time Traveler

The first known use of amygdaloidal was in 1797

See more words from the same year

Statistics for amygdaloidal

Cite this Entry

“Amygdaloidal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/amygdaloidal. Accessed 22 Jun. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Return of Name that Color!

  • a light greenish blue color
  • Name that color:
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
 AlphaBear 2

Spell words. Make bears.

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!