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

zinc oxide

noun

Definition of zinc oxide

  1. :  an infusible white solid ZnO used especially as a pigment, in compounding rubber, and in pharmaceutical and cosmetic preparations (as ointments and sunblocks)



1849

First Known Use of zinc oxide

1849


Medical Dictionary

zinc oxide

noun

Medical Definition of zinc oxide

  1. :  a white solid ZnO used in pharmaceutical and cosmetic preparations (as ointments and powders)




Learn More about zinc oxide


Seen and Heard

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

WORD OF THE DAY

February 9, 2016

marked by high spirits and laughter

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?

duvet spindrift 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