Definition of alumina in English:

Share this entry

alumina

Pronunciation: /əˈluːmɪnə/

noun

[mass noun]
A white solid that is a major constituent of many rocks, especially clays, and is found crystallized as corundum, sapphire, and other minerals.
Example sentences
  • The silica, alumina, and iron come from sand, clay, and iron ore.
  • The major exports are bauxite, alumina, gold, and diamonds.
  • Already some sites yield little more than a mass of crystallised aluminium oxide.

Origin

Late 18th century: from Latin alumen (see alum), on the pattern of words such as magnesia.

Words that rhyme with alumina

noumena, numina
Share this entry
 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.