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

zirconia

play
noun zir·co·nia \ˌzər-ˈkō-nē-ə\

Definition of zirconia

  1. :  a white crystalline compound ZrO2 used especially in refractories, in thermal and electric insulation, in abrasives, and in enamels and glazes —called also zirconium oxide



Origin of zirconia

New Latin, from International Scientific Vocabulary zircon


First Known Use: 1797



Seen and Heard

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

WORD OF THE DAY

February 7, 2016

a slight offense

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

spindrift duvet pince-nez kittly-benders
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ