pervaporatev.

Brit.

/pəˈvapəreɪt/, U.S.

/pərˈvæpəˌreɪt/

Origin: Formed within English, by derivation. Etymons: per- prefix, evaporate v.

Etymology: < per- prefix + -vaporate (in evaporate v.), after pervaporation n. Compare permeate v., vaporate v.

Chemistry.

1. intransitive. Of a liquid: to undergo pervaporation. rare.

ΘΚΠ

the world > matter > chemistry > physical chemistry > liquid phase > [verb (intransitive)] > pervaporation

pervaporate1917

1917 Jrnl. Amer. Chem. Soc. 39 944 After fanning these containers with an ordinary office fan for 24 hours the aqueous layer had pervaporated to dryness.

1998 Analyt. Chem. 70 3028 The VOCs [= volatile organic compounds] pervaporate through the membrane directly into the ion source of a mass spectrometer.

2. transitive. To cause (a liquid) to undergo pervaporation.

ΘΚΠ

the world > matter > chemistry > physical chemistry > liquid phase > [verb (transitive)] > pervaporation

pervaporate1917

1917 Jrnl. Amer. Chem. Soc. 39 947 A similar container was filled with..sodium chloride solution and pervaporated.

1934 H. N. Holmes Introd. Colloid Chem. ii. 18 A protein digestion residue containing strong hydrochloric acid, histidine, and enough humin to make it black was pervaporated.

1965 Proc. National Acad. Sci. U.S.A. 54 253 The solution was dialyzed against water and subsequently pervaporated to yield a 5% protein solution.

1993 Preparative Biochem. 23 167 Large amounts of concentrated virus material..were obtained by pervaporating large quantities of tissue culture fluid.

Derivatives

perˈvaporated adj.

ΚΠ

1956 Science 13 July 77/3 The percentage of water in the pervaporated vapor varied somewhat.

2001 Analyst 126 1177 The determination of ethanol is based on the oxidation of the pervaporated ethanol.

perˈvaporating adj. rare

ΘΚΠ

the world > matter > chemistry > physical chemistry > liquid phase > [adjective] > pervaporation

pervaporating1917

1917 Jrnl. Amer. Chem. Soc. 39 945 The pervaporating surface decreased with the sinking of the water level.

1956 Science 13 July 77/3 In pervaporating solutions containing class-I solutes, the percentage of water in the pervaporated vapor varied somewhat.

This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022).

单词	pervaporate
释义	pervaporatev. Brit. /pəˈvapəreɪt/, U.S. /pərˈvæpəˌreɪt/ Origin: Formed within English, by derivation. Etymons: per- prefix, evaporate v. Etymology: < per- prefix + -vaporate (in evaporate v.), after pervaporation n. Compare permeate v., vaporate v. Chemistry. 1. intransitive. Of a liquid: to undergo pervaporation. rare. ΘΚΠ the world > matter > chemistry > physical chemistry > liquid phase > [verb (intransitive)] > pervaporation pervaporate1917 1917 Jrnl. Amer. Chem. Soc. 39 944 After fanning these containers with an ordinary office fan for 24 hours the aqueous layer had pervaporated to dryness. 1998 Analyt. Chem. 70 3028 The VOCs [= volatile organic compounds] pervaporate through the membrane directly into the ion source of a mass spectrometer. 2. transitive. To cause (a liquid) to undergo pervaporation. ΘΚΠ the world > matter > chemistry > physical chemistry > liquid phase > [verb (transitive)] > pervaporation pervaporate1917 1917 Jrnl. Amer. Chem. Soc. 39 947 A similar container was filled with..sodium chloride solution and pervaporated. 1934 H. N. Holmes Introd. Colloid Chem. ii. 18 A protein digestion residue containing strong hydrochloric acid, histidine, and enough humin to make it black was pervaporated. 1965 Proc. National Acad. Sci. U.S.A. 54 253 The solution was dialyzed against water and subsequently pervaporated to yield a 5% protein solution. 1993 Preparative Biochem. 23 167 Large amounts of concentrated virus material..were obtained by pervaporating large quantities of tissue culture fluid. Derivatives perˈvaporated adj. ΚΠ 1956 Science 13 July 77/3 The percentage of water in the pervaporated vapor varied somewhat. 2001 Analyst 126 1177 The determination of ethanol is based on the oxidation of the pervaporated ethanol. perˈvaporating adj. rare ΘΚΠ the world > matter > chemistry > physical chemistry > liquid phase > [adjective] > pervaporation pervaporating1917 1917 Jrnl. Amer. Chem. Soc. 39 945 The pervaporating surface decreased with the sinking of the water level. 1956 Science 13 July 77/3 In pervaporating solutions containing class-I solutes, the percentage of water in the pervaporated vapor varied somewhat. This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022). < v.1917
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