单词 | osmometric |
释义 | † osmometricadj.1 Obsolete. rare. Apparently only attested in dictionaries or glossaries. Of or relating to the measurement of odours or the analysis of odoriferous substances. ΚΠ 1890 Cent. Dict. 4167/2 Osmometric, of or pertaining to osmometry [sense 2]. This entry has been updated (OED Third Edition, September 2004; most recently modified version published online June 2021). osmometricadj.2 Chemistry. Of or relating to the measurement of osmotic pressure; involving an osmometer. ΘΚΠ the world > life > biology > laboratory analysis > measure > [adjective] > measure of osmotic force osmometric1890 the world > matter > physics > mechanics > fluid mechanics > [adjective] > osmosis > measurement of osmometric1890 1890 Cent. Dict. 4167/2 Osmometric, of or pertaining to osmometry [sense 1]. 1912 J. Loeb Mechanistic Conception Life ix. 181 (note) The beautiful osmometric experiments of R. Lillie should also be mentioned in this connection. 1964 J. Eliassaf tr. S. R. Rafikov Determination Molecular Weights vi. 169 The osmometric measurement of molecular weight is based on the fact that the osmotic pressure..is proportional to the number..of gram-molecules of dissolved material in a definite volume of solution. 1990 Y. Doi Microbial Polyesters ii. 28 The absolute molecular weight of P(3HB) molecules has been determined by..osmometric analysis in chloroform, 1,2-dichloroethane, or trifluoroethanol. Derivatives osmoˈmetrically adv. by means of an osmometer. ΘΚΠ the world > life > biology > laboratory analysis > measure > [adverb] > measure of osmotic force osmometrically1943 the world > matter > physics > mechanics > fluid mechanics > [adverb] > by osmosis > measurement of osmosis osmometrically1943 1943 Jrnl. Physical Chem. 47 69 The molecular weight of a carefully fractionated sample determined osmometrically checks the value obtained for the same polymer by means of the ultracentrifuge. 1994 Proc. National Acad. Sci. U.S.A. 91 9881/2 This solution was made to 330 mosM (determined osmometrically) by addition of solid Na2SO4, bubbled with hydrated N2 gas at pH 5.5 to remove traces of bicarbonate. This entry has been updated (OED Third Edition, September 2004; most recently modified version published online March 2022). < adj.11890adj.21890 |
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