(mineralogy) A micaceous phyllosilicate clay mineral with aggregates of grey or white monoclinic crystals.

plural of illite

(mineralogy) conversion into illite

plural of illitization

Of or relating to the mineral illite.

Unable to read and write. / Having less than an expected standard of familiarity with language and literature, or having little formal education.

An illiterate person, one either not able to read and write or not knowing how. / A person ignorant about a given subject.

plural of illiterate

In an illiterate manner.

(uncountable) The inability to read and write. / (uncountable) The portion of a population unable to read and write, generally given as a percentage.