| 单词 | osmosis |
| 释义 | osmosis[ oz-moh-sis, os- ] / ɒzˈmoʊ sɪs, ɒs- / SEE SYNONYMS FOR osmosis ON THESAURUS.COM nounPhysical Chemistry, Cell Biology.
a subtle or gradual absorption or mingling: He never studies but seems to learn by osmosis. Origin of osmosis1865–70; Latinized form of now obsolete osmose osmosis, extracted from endosmose endosmosis, exosmose exosmosis <French, equivalent to end-end-, ex-ex-2 + Greek ōsm(ós) push, thrust + French -ose-osis OTHER WORDS FROM osmosisWords nearby osmosisosmometer, osmometry, osmoreceptor 1, osmoregulation, osmose, osmosis, osmotic pressure, osmotic shock, osmous, osmund, osmunda Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for osmosisBritish Dictionary definitions for osmosisosmosis / (ɒzˈməʊsɪs, ɒs-) / nounthe passage of a solvent through a semipermeable membrane from a less concentrated to a more concentrated solution until both solutions are of the same concentration diffusion through any membrane or porous barrier, as in dialysis gradual or unconscious assimilation or adoption, as of ideas Derived forms of osmosisosmotic (ɒzˈmɒtɪk, ɒs-), adjectiveosmotically, adverbWord Origin for osmosisC19: Latinized form from osmose (n), from Greek ōsmos push, thrust Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Cultural definitions for osmosisosmosis [ (ahz-moh-sis, ahs-moh-sis) ] The seeping of a fluid through a seemingly solid barrier, such as a cell wall or a rubber sheet. When the concentration of the fluid is the same on both sides of the barrier, osmosis stops. notes for osmosisInformally, “osmosis” is the process by which information or concepts come to a person without conscious effort: “Living in Paris, he learned French slang by osmosis.” The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Medical definitions for osmosisosmosis [ ŏz-mō′sĭs, ŏs- ] n. pl. os•mo•ses (-sēz)Diffusion of fluid through a semipermeable membrane until there is an equal concentration of fluid on both sides of the membrane. The tendency of fluids to diffuse in such a manner. Other words from osmosisos•mot′ic (-mŏt′ĭk) adj.The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for osmosisosmosis [ ŏz-mō′sĭs ] The movement of a solvent through a membrane separating two solutions of different concentrations. The solvent from the side of weaker concentration usually moves to the side of the stronger concentration, diluting it, until the concentrations of the solutions are equal on both sides of the membrane.♦ The pressure exerted by the molecules of the solvent on the membrane they pass through is called osmotic pressure. Osmotic pressure is the energy driving osmosis and is important for living organisms because it allows water and nutrients dissolved in water to pass through cell membranes. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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