physisorptionn.

Brit.

/ˌfɪzᵻˈsɔːpʃn/, U.S.

/ˌfɪzᵻˈsɔrpʃ(ə)n/

Origin: Formed within English, by compounding. Etymons: physical adj., adsorption n.

Etymology: < physi- (in physical adj.) + -sorption (in adsorption n.), after chemisorption n. Compare physisorbed adj., physisorb v.

Chemistry.

Adsorption which does not involve the formation of chemical bonds. Cf. chemisorption n.

ΘΚΠ

the world > matter > chemistry > chemical reactions or processes > [noun] > chemical reactions or processes (named) > adsorption > physisorption

physisorption1959

1959 Jrnl. Physical Chem. 63 518 The total adsorption of carbon monoxide at this temperature comprises of physisorption as well as chemisorption.

1965 Progress Solid State Chem. 2 94 At higher pressures and lower temperatures (−78°C) physisorption without formation of ordered structures was observed.

1973 Sci. Amer. May 34/2 There have been several more recent electron-diffraction studies of physisorption with other gases and other substrates.

2002 Chem. & Industry (Nexis) 4 Nov. 28 Such brushes have been prepared either via physisorption of block copolymers, or via chemisorption of end functionalised polymers.

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

单词	physisorption
释义	physisorptionn. Brit. /ˌfɪzᵻˈsɔːpʃn/, U.S. /ˌfɪzᵻˈsɔrpʃ(ə)n/ Origin: Formed within English, by compounding. Etymons: physical adj., adsorption n. Etymology: < physi- (in physical adj.) + -sorption (in adsorption n.), after chemisorption n. Compare physisorbed adj., physisorb v. Chemistry. Adsorption which does not involve the formation of chemical bonds. Cf. chemisorption n. ΘΚΠ the world > matter > chemistry > chemical reactions or processes > [noun] > chemical reactions or processes (named) > adsorption > physisorption physisorption1959 1959 Jrnl. Physical Chem. 63 518 The total adsorption of carbon monoxide at this temperature comprises of physisorption as well as chemisorption. 1965 Progress Solid State Chem. 2 94 At higher pressures and lower temperatures (−78°C) physisorption without formation of ordered structures was observed. 1973 Sci. Amer. May 34/2 There have been several more recent electron-diffraction studies of physisorption with other gases and other substrates. 2002 Chem. & Industry (Nexis) 4 Nov. 28 Such brushes have been prepared either via physisorption of block copolymers, or via chemisorption of end functionalised polymers. This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022). < n.1959
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