1. Word Games
  2. Word of the Day
  3. New Words & Slang
  4. Video
 

alumina

6 ENTRIES FOUND:
  1. alumina (noun)
  2. alumina cement (noun)
  3. alumina porcelain (noun)
  4. activated alumina (noun)
  5. hydrated alumina (noun)
  6. alumen ustum (noun)

alu·mi·na

noun \ə-ˈlü-mə-nə\

Definition of ALUMINA

: the oxide of aluminum Al2O3 occurring native as corundum and in hydrated forms (as in bauxite)
See alumina defined for kids »

Origin of ALUMINA

New Latin, from Latin alumin-, alumen alum
First Known Use: circa 1790

Learn More About ALUMINA

Browse

Next Word in the Dictionary: alumina cement
Previous Word in the Dictionary: alumin-
All Words Near: alumina

Seen & Heard

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

Test Your Vocabulary

Take Our 10-Question Quiz

Name That Thing

Take our visual vocab quiz

Test Your Knowledge »

True or False?

A quick quiz about stuff worth knowing

Take It Now »

Join Us on FB & Twitter

Get the Word of the Day and More

Facebook | Twitter

Get Our Free Apps

Voice Search, Favorites,
Word of the Day, and More

iPhone | iPad | Android | More