Difference between Alumna and Alum

What is the difference between Alumna and Alum?

Alumna as a noun is a female pupil or student (especially of a university or college) while Alum as a noun is the double sulphate of potassium and aluminium with chemical formula k2so4.al2(so4)3.24h2o.

Alumna

Part of speech: noun

Definition: a female pupil or student (especially of a university or college) a female graduate

Alum

Part of speech: noun

Definition: the double sulphate of potassium and aluminium with chemical formula K2SO4.Al2(SO4)3.24H2O.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.A graduate of a university or other institution.

We hope you now know whether to use Alumna or Alum in your sentence.

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