polyanionicadj.

Brit.

/ˌpɒlɪanʌɪˈɒnɪk/, U.S.

/ˈˌpɑliˌænaɪˈɑnɪk/

Origin: Formed within English, by compounding. Etymons: poly- comb. form, anionic adj. at anion n. Derivatives

Etymology: < poly- comb. form + anionic adj. at anion n. Derivatives Compare slightly later polyanion n., polycationic adj., and earlier polyionic adj.

Chemistry.

Of, relating to, or of the nature of a polyanion; containing polyanions.

ΘΚΠ

the world > matter > chemistry > ions, ionization, or electrolysis > [adjective] > of or relating to ions > of or relating to polyions > of or relating to polyanions

polyanionic1930

1930 Chem. Abstr. 24 2077 [Such] elements..will combine in liquid NH₃ with Na to give polysulfide-like compds.,..to which the name ‘polyanionic’ salts is given.

1974 Amer. Jrnl. Anat. 139 404/1 Staining with ruthenium red..reveals that a polyanionic surface coat, probably mucopolysaccharide in nature, covers all the microvilli..on all cell types found in the nasal cavities.

1999 I. Kostov & R. I. Kostov Crystal Habits Minerals vi. 274 The P^a type borates, in the structure of which..polyanionic borate clusters and cationic polyhedra form sheets parallel to {100}.

This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).

单词	polyanionic
释义	polyanionicadj. Brit. /ˌpɒlɪanʌɪˈɒnɪk/, U.S. /ˈˌpɑliˌænaɪˈɑnɪk/ Origin: Formed within English, by compounding. Etymons: poly- comb. form, anionic adj. at anion n. Derivatives Etymology: < poly- comb. form + anionic adj. at anion n. Derivatives Compare slightly later polyanion n., polycationic adj., and earlier polyionic adj. Chemistry. Of, relating to, or of the nature of a polyanion; containing polyanions. ΘΚΠ the world > matter > chemistry > ions, ionization, or electrolysis > [adjective] > of or relating to ions > of or relating to polyions > of or relating to polyanions polyanionic1930 1930 Chem. Abstr. 24 2077 [Such] elements..will combine in liquid NH₃ with Na to give polysulfide-like compds.,..to which the name ‘polyanionic’ salts is given. 1974 Amer. Jrnl. Anat. 139 404/1 Staining with ruthenium red..reveals that a polyanionic surface coat, probably mucopolysaccharide in nature, covers all the microvilli..on all cell types found in the nasal cavities. 1999 I. Kostov & R. I. Kostov Crystal Habits Minerals vi. 274 The P^a type borates, in the structure of which..polyanionic borate clusters and cationic polyhedra form sheets parallel to {100}. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < adj.1930
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