OSMOSIS • DICTIONARY ONE.COM • Definition of Osmosis

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/ˌɔzmˈoʊsɪs/ Listen

Osmosis

noun

(biology, chemistry) diffusion of molecules through a semipermeable membrane from a place of higher concentration to a place of lower concentration until the concentration on both sides is equal.

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Etymology of 'Osmosis'

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reverse osmosis

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"Osmosis" Quotes from Famous Books

... medicinal ingredients to the latter, as has been asserted. In solving this question, he considered himself justified in drawing conclusions from the manner in which such compounds behaved toward dead animal membrane. If any kind of osmosis could take place, he argued, from ointments prepared with vaseline, etc., through dead membranes, such osmosis would most probably also take place through living membranes. At all events, the endosmotic or exosmotic action of the skin of a living body must necessarily play an ...

— Scientific American Supplement, No. 514, November 7, 1885 • Various

Words linked to "Osmosis" : reverse osmosis, biological science, diffusion, osmotic, biology, chemical science, chemistry, dialysis