What does phthalein mean?

Definitions for phthaleinˈθæl in, -i ɪn, ˈfθæl-

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


  1. phthalein(Noun)

    any of a range of lactones formed by the reaction of phenols with phthalic anhydride

Webster Dictionary

  1. Phthalein(noun)

    one of a series of artificial organic dyes made as condensation products of the phenols with phthalic acid, and well represented by phenol phthalein. Their alkaline solutions are fluorescent

  2. Origin: [See Phthalic.]

Chambers 20th Century Dictionary

  1. Phthalein

    thal′e-in, n. one of a very important class of dye-yielding materials formed by the union of phenols with the anhydride of phthalic acid.—adj. Phthal′ic, pertaining to naphthalene.—n. Phthal′in, a colourless crystalline compound obtained by reducing phthalein.


  1. Chaldean Numerology

    The numerical value of phthalein in Chaldean Numerology is: 1

  2. Pythagorean Numerology

    The numerical value of phthalein in Pythagorean Numerology is: 3

Images & Illustrations of phthalein

  1. phthalein


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

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