Share this entry
aluminous Line breaks: alu|min¦ous
Pronunciation: /əˈluːmɪnəs/

Definition of aluminous in English:


(Chiefly of minerals and rocks) containing alumina or aluminium: aluminous pelites
More example sentences
  • Mafic and ultramafic rocks predominate, although a few examples of metasedimentary rocks are known, including aluminous lithologies.
  • Associated units are sillimanite-bearing aluminous metasediments, quartzites, and arnphibolites.
  • Plagioclase is commonly variably replaced by aluminous prehnite, which indicates temperatures below 400°C.


Late Middle English: from Latin aluminosus, from alumen, alumin- (see alum).

Definition of aluminous in:
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.

Subscribe to remove adverts and access premium resources