pinacoid

[pin-uh-koid]
noun Crystallography.
a form whose faces are parallel to two of the axes.

Origin:
1875–80; < Greek pinak- (stem of pínax) slab, board + -oid

pinacoidal, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To pinacoid
Explore Dictionary.com
Previous Definition: pinaceous
Next Definition: pinacoidal
Words Near: pinacoid
More from Thesaurus.com
Synonyms and Antonyms for pinacoid
More from Reference.com
Search for articles containing pinacoid
More from Dictionary.com Translator
Dictionary.com Word FAQs

Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.

Example sentences for pinacoid
It has four prism faces and two pinacoid faces to form a pseudohexagonal crystal.
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature