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A negatively charged ion, especially the ion that migrates to an anode in electrolysis.

[From Greek, neuter present participle of anienai, to go up : ana-, ana- + ienai, to go; see ei- in Indo-European roots.]

an′i·on′ic (-ŏn′ĭk) adj.
an′i·on′i·cal·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.anionic - a class of synthetic detergents in which the molecules do not ionize in aqueous solutionsanionic - a class of synthetic detergents in which the molecules do not ionize in aqueous solutions
detergent - a surface-active chemical widely used in industry and laundering
Adj.1.anionic - of or relating to anions
cationic - of or relating to cations
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
As alpha olefin sulfonates are petroleum-based anionic surfactants, their prices and supplies are highly dependent on those of petroleum compounds, which is restricting their adoption in various industrial applications.
M2 PRESSWIRE-August 13, 2019-: Anionic Agricultural Surfactants Market 2019: Global Key Players, Trends, Share, Industry Size, Segmentation, Opportunities, Forecast To 2025
Key statement: A method for preparing a masterbatch of synthetic elastomer and of carbon-based filler, which comprises the following steps: preparing an aqueous dispersion of carbon-based filler having a zeta potential with the opposite sign to that of an anionic or cationic synthetic elastomer latex, the difference between the potentials of the anionic or cationic elastomer latex and the aqueous dispersion of carbon-based filler being such that the absolute value thereof is greater than or equal to 20 mV, bringing together, and mixing, the anionic or cationic synthetic elastomer latex and the aqueous dispersion of carbon-based filler to obtain a coagulum, recovering the coagulum, and drying the recovered coagulum in order to obtain the masterbatch.
has patented a personal care composition comprising, in a cosmetically acceptable aqueous medium, cationic polyelectrolyte, at least one surfactant; and an anionic polyelectrolyte.
By type, the global surfactants market is classified into cationic surfactant, anionic surfactant, nonionic surfactant, amphoteric surfactant and others.
Ion chromatography is a widely used analytical technique for the separation and determination of anionic and cationic analytes in various sample matrices.
A liquid surfactant composition comprising: an anionic surfactant, wherein the anionic surfactant is present in an amount from about 50% (by weight of the composition) to about 99.9% (by weight of the composition); and quaternium-80 in an amount of 6% (by weight of the composition); wherein the liquid surfactant composition adheres to surfaces and forms a precipitate when placed in excess water.
The Surf Tropical Lily and Ylang Ylang contains: |15-30% anionic surfactants, nonionic surfactants, soap; |Less than 5% enzymes, optical brighteners, perfume, phosphonates, butylphenyl, methylpropional, citronellol, geraniol, hexyl cinnamal, limonene and linalool.
The report provides detailed account of key oil filed surfactant types such as anionic, non-anionic, cationic, amphoteric, and others depending on their dissociation in water.