Definitions

from the GNU version of the Collaborative International Dictionary of English.

  • adjective having the character of an anion; negatively charged; containing anions; -- of atoms, molecules, and groups of atoms. Contrasted with cationic.
  • adjective of or pertaining to anions. Contrasted with cationic
  • noun a class of synthetic detergents in which the molecules do not ionize in aqueous solutions.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective chemistry of or pertaining to an anion
  • noun informal an anionic detergent

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a class of synthetic detergents in which the molecules do not ionize in aqueous solutions
  • adjective of or relating to anions

Etymologies

Sorry, no etymologies found.

Examples

  • Washing-up liquids are often of the 'anionic' types and are likely to interfere with the dyeing process.

    Chapter 7

  • [41] is presumably due to the binding of ACh at the peripheral "anionic" site.

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  • Besides avoiding the small amino acids, from your Venn diagram, they look to cover most options to me (the only obvious ommision would be glutamate, E, for an example of a anionic (negative) amino acid).

    An Interesting Pattern

  • Soaps are anionic surfacants, and one bath bar generally works as well as another.

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  • The plane of anionic valency sites created by this double ribbon arrangement is neutralized by the metal cations.

    Geology of asbestos

  • Thank God it does contain everyone's favorite anionic polyelectrolyte, xanthan gum, a thickening agent produced by a bacterium that lives on cabbage plants.

    Boing Boing: September 18, 2005 - September 24, 2005 Archives

  • The alkalies react with acids in the hard water and help the anionic detergents clean better, and, in the case of soap, also reduce scum formation.

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  • There are four types of detergents: anionic, nonionic, cationic, and amphoteric.

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  • For this reason, alkaline substances are often added to anionic detergents and to soaps, which are also anionic.

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  • For this reason, alkaline substances are often added to anionic detergents and to soaps, which are also anionic.

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