physisorbedadj.
/ˈfɪzᵻsɔːbd/, U.S. /ˈfɪzəˌsɔrbd/ Chemistry.
Acquired or localized by physisorption.
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the world > matter > chemistry > chemical reactions or processes > [adjective] > of or relating to named chemical reactions or processes > of, exhibiting, or causing adsorption > involved in collection by physisorption
physisorbed1959
physisorbing1967
1959 Jrnl. Physical Chem. 63 518 Assuming that this evacuation removes only the physisorbed gas leaving the chemisorbed layer intact, the CO adsorption isotherm is redetermined [etc.].
1970 C. Okkerse in B. G. Linsen Physical & Chem. Aspects Adsorbents & Catalysts v. 253 Wirzing suggested the use of the combination band of water at 5265 cm−1 for the quantitative determination of physisorbed water.
1982 Sci. Amer. Aug. 98/3 Diffusion with a boundary, however, can sometimes be seen in chemisorbed layers as well as in physisorbed layers.
2002 Semiconductor Internat. (Nexis) 1 July 177 It removes the physisorbed hydrocarbon layer from the wafer surface, enabling more accurate oxide thickness measurements.
This entry has been updated (OED Third Edition, March 2006; most recently modified version published online March 2022).
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adj.1959