alum Definition and Meaning in English (alum definition)

noun
Quick Answer • Definition

Alum definition: A double sulfate of aluminum and potassium, used in solution as an astringent and styptic, and in dyeing and tanning.

Definitions of Alum

  1. 1noun

    A double sulfate of aluminum and potassium, used in solution as an astringent and styptic, and in dyeing and tanning.

  2. 2noun(informal)

    An informal abbreviation for an alumnus or alumna, referring to a former student of a particular school, college, or university.

Example Sentences

“Alum is commonly used in water purification to remove impurities.”

casual

“She is an alum of the prestigious university.”

casual

“Many alums returned for the annual reunion.”

Inflected Word Forms

adjectivealuminous

Frequently Asked Questions: Alum in English

What is the meaning of Alum in English?▼
Alum definition: A double sulfate of aluminum and potassium, used in solution as an astringent and styptic, and in dyeing and tanning.
How do you translate 'Alum' to English?▼
'Alum' translates to 'alum' in English. Alum definition: A double sulfate of aluminum and potassium, used in solution as an astringent and styptic, and in dyeing and tanning.
How do you pronounce 'Alum' and 'alum'?▼
Listen to clear English audio pronunciation of 'Alum' and native English audio speech for 'alum' with bilingual sentence examples on DictBridge.

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