Find your perfect word!

Definition alum

Etymology 1

From Anglo-Norman alum, alun etc., Middle French alun, from Latin al?men.

Noun

alum (countable and uncountable, plural alums)

1. An astringent salt, usually occurring in the form of pale crystals, much used in the dyeing and tanning trade and in certain medicines, and now understood to be a double sulphate of potassium and aluminium (K₂SO₄.Al₂(SO₄)₃.24H₂O). [from 14th c.]
2. (chemistry) Any similar double sulphate in which either or both of the potassium and aluminium is wholly or partly replaced by other univalent or tervalent cations. [from 17th c.]

Verb

alum (third-person singular simple present alums, present participle aluming, simple past and past participle alumed)

1. (transitive) To steep in, or otherwise impregnate with, a solution of alum; to treat with alum.

Etymology 2

From alumnus and alumna (> alumn- > alum), by the removal of the originally Latin gender-specific nominative singular case endings -us (masculine) and -a (feminine).

Noun

alum (plural alums)

1. (shortening, Canada, US) A past attendee or graduate (of either gender) of a college, university or other educational institution.

Results 374 Words with the letters ALUM

You can also try words with the phrase ALUM, words starting with the letters ALUM, or words ending in the letters ALUM.

Favorites Searches

Words… ending with q, starting with q, starting with qa, starting with qo, with two letters, starting with x, starting with j, ending with j,

Some random searches: Words with the letters SVE, Words with the letters ITO, Words with the letters EUAC, Words with the letters HAC,