polyionn.

Brit.

/ˈpɒlɪˌʌɪən/, U.S.

/ˈpɑliˌaɪən/,

/ˈpɑliˌaɪˌɑn/

Origin: Formed within English, by compounding. Etymons: poly- comb. form, ion n.

Etymology: < poly- comb. form + ion n. Compare earlier polyionic adj., polyanion n., and later polycation n.

Chemistry.

An ion which consists of or contains a number of atoms of the parent element. Also: a large ion derived from a polyelectrolyte.

ΘΚΠ

the world > matter > chemistry > ions, ionization, or electrolysis > [noun] > ion > polyion

polyion1938

1938 A. I. Oparin Origin of Life vi. 138 Regarding every living cell as a ‘single chemical particle or, more correctly, as a colossal poly-ion’.

1947 Jrnl. Polymer Sci. 2 12 Both negative and positive polyions may be made; the former as polycarboxylic or sulfonic acids and their salts and the latter, for example, as onium salts of polymers such as vinylpyridine.

1959 Acta Crystallogr. 12 165/2 The crystal structure of inyoite contains isolated polyions, [B₃O₃(OH)₅]⁻².

1963 New Scientist 11 Apr. 103/3 The chemistry of polyions, such as proteins, mucopolysaccharides, [etc.]..is very relevant to understanding the behaviour of the cell surface.

1972 F. A. Cotton & G. Wilkinson Adv. Inorg. Chem. (ed. 3) xvi. 486 There is slight evidence in the bromine system for Br₅⁻, but the series of polyions I₅⁻, I₇⁻ and I₉⁻ is well-established for iodine.

1999 I. Kostov & R. I. Kostov Crystal Habits Minerals vi. 273 In watery solutions, boron polyions occur, the stability of which depends on the pH.

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

单词	polyion
释义	polyionn. Brit. /ˈpɒlɪˌʌɪən/, U.S. /ˈpɑliˌaɪən/, /ˈpɑliˌaɪˌɑn/ Origin: Formed within English, by compounding. Etymons: poly- comb. form, ion n. Etymology: < poly- comb. form + ion n. Compare earlier polyionic adj., polyanion n., and later polycation n. Chemistry. An ion which consists of or contains a number of atoms of the parent element. Also: a large ion derived from a polyelectrolyte. ΘΚΠ the world > matter > chemistry > ions, ionization, or electrolysis > [noun] > ion > polyion polyion1938 1938 A. I. Oparin Origin of Life vi. 138 Regarding every living cell as a ‘single chemical particle or, more correctly, as a colossal poly-ion’. 1947 Jrnl. Polymer Sci. 2 12 Both negative and positive polyions may be made; the former as polycarboxylic or sulfonic acids and their salts and the latter, for example, as onium salts of polymers such as vinylpyridine. 1959 Acta Crystallogr. 12 165/2 The crystal structure of inyoite contains isolated polyions, [B₃O₃(OH)₅]⁻². 1963 New Scientist 11 Apr. 103/3 The chemistry of polyions, such as proteins, mucopolysaccharides, [etc.]..is very relevant to understanding the behaviour of the cell surface. 1972 F. A. Cotton & G. Wilkinson Adv. Inorg. Chem. (ed. 3) xvi. 486 There is slight evidence in the bromine system for Br₅⁻, but the series of polyions I₅⁻, I₇⁻ and I₉⁻ is well-established for iodine. 1999 I. Kostov & R. I. Kostov Crystal Habits Minerals vi. 273 In watery solutions, boron polyions occur, the stability of which depends on the pH. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < n.1938
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