What does ALUM mean?

Definitions for ALUMˈæl əm

Here are all the possible meanings and translations of the word ALUM.

Princeton's WordNet

  1. alum, ammonia alum, ammonium alum(noun)

    a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum

  2. alum, potassium alum, potash alum(noun)

    a white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum

  3. alumnus, alumna, alum, graduate, grad(noun)

    a person who has received a degree from a school (high school or college or university)

  4. alum(noun)

    a double sulphate of aluminum and potassium that is used as an astringent (among other things)

Webster Dictionary

  1. Alum(noun)

    a double sulphate formed of aluminium and some other element (esp. an alkali metal) or of aluminium. It has twenty-four molecules of water of crystallization

  2. Alum(verb)

    to steep in, or otherwise impregnate with, a solution of alum; to treat with alum

  3. Origin: [OE. alum, alom, OF. alum, F. alun, fr. L. alumen alum.]


  1. Alum

    Alum is both a specific chemical compound and a class of chemical compounds. The specific compound is the hydrated potassium aluminium sulfate with the formula KAl(SO4)2·12H2O. More widely, alums are double sulphate salts, with the formula AM(SO4)2·12H2O, where A is a monovalent cation such as potassium or ammonium and M is a trivalent metal ion such as aluminium or chromium.

Chambers 20th Century Dictionary

  1. Alum

    al′um, n. a mineral salt, the double sulphate of alumina and potash, used as a mordant in dyeing and for many purposes.—adj. Al′umish, having the character or taste of alum.—ns. Al′um-shale, or -slate, a slate consisting mainly of clay, iron pyrites, and coaly matter, from which alum is obtained. [L. alumen.]

Suggested Resources

  1. alum

    The alum symbol -- In this Symbols.com article you will learn about the meaning of the alum symbol and its characteristic.

  2. ALUM

    What does ALUM stand for? -- Explore the various meanings for the ALUM acronym on the Abbreviations.com website.


  1. Chaldean Numerology

    The numerical value of ALUM in Chaldean Numerology is: 5

  2. Pythagorean Numerology

    The numerical value of ALUM in Pythagorean Numerology is: 2

Sample Sentences & Example Usage

  1. Rod Wheeler:

    Cydney Ireland said. The sprawling, 58,000-student main campus in downtown Columbus is one of the nation's largest. Fox News contributor Rod Wheeler, a former Washington DC homicide detective and an Ohio State University alum, said the school's police department is highly trained. People do n’t need to panic.

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Translations for ALUM

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"ALUM." Definitions.net. STANDS4 LLC, 2018. Web. 20 Mar. 2018. <https://www.definitions.net/definition/ALUM>.

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