physisorptionn.
/ˌfɪzᵻˈsɔːpʃn/, U.S. /ˌfɪzᵻˈsɔrpʃ(ə)n/ Chemistry.
Adsorption which does not involve the formation of chemical bonds. Cf. chemisorption n.
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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).
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n.1959- not to pass a point
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- not to see a wink
- not to see the wood for the trees
- not to see the wood for the trees for trees
- not to see the wood see wood for the trees
- not to see the wood see wood for the trees for trees