Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. Diffusion of fluid through a semipermeable membrane from a solution with a low solute concentration to a solution with a higher solute concentration until there is an equal concentration of fluid on both sides of the membrane.
- n. The tendency of fluids to diffuse in such a manner.
- n. A gradual, often unconscious process of assimilation or absorption: learned French by osmosis while residing in Paris for 15 years.
Century Dictionary and Cyclopedia
- n. The diffusion of fluids through membranes. See osmose.
Wiktionary
- n. The net movement of solvent molecules from a region of high solvent potential to a region of lower solvent potential through a partially permeable membrane
- n. slang Picking up knowledge accidentally, without actually seeking that particular knowledge.
GNU Webster's 1913
- n. The tendency in fluids to mix, or become equably diffused, when in contact. It was first observed between fluids of differing densities, and as taking place through a membrane or an intervening porous structure. An older term for the phenomenon was
Osmose . - n. The action produced by this tendency.
WordNet 3.0
- n. (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
Etymologies
- From obsolete osmose, from earlier endosmose, from French : Greek endo-, endo- + Greek ōsmos, thrust, push (from ōthein, to push). (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“The most common alternative, reverse osmosis, is cheaper, but it 's still pricey and energy-intensive.”
The Wall Street Journal: High-Tech Cures for Water Shortages
“He didn't he just absorbed by osmosis from the blog the fact that I'd be interested in anything Woolfy he might find for my shelves on his bookshop travels.”
“Now, instead of picking up gossip by osmosis from the next booth at Terry’s Nook, their only leads arrive by telephone.”
“Now, there is a process known as reverse osmosis, which is very good typically at getting rid of almost all impurities.”
“The object of the process called osmosis is to carry off these salts.”
“Basically, when you put salt into a bucket of water and add a piece of meat ... chicken for example, a scientific process called osmosis begins to take effect.”
“There aren't any college records because the Zebulonians actually learn by osmosis, which is why being on the job is the best way for President Obama to learn.”
“But they are suffering from "osmosis," from simply spending too much time around investment bankers and the like.”
“Even worse, she's playing the "I'm experienced" card - I have trouble buying this whole "osmosis" argument - hoping ppl start talking more about this angle ... hwc wrote on November 2, 2007 4: 19 PM:”
Election Central | Talking Points Memo | Did Hillary "Play The Gender Card"?
“Most bacteria obtain energy by either absorbing marine dissolved organic matter through their cell membranes - osmotrophy (literally feeding through 'osmosis' in fact the material taken up is simply not obviously particulate, osmosis has little to do with the mechanisms used).”
Lists
These user-created lists contain the word ‘osmosis’.
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Interesting words
A list of words that are odd or words that I have looked up.
concupiscence, brize, scree, scoria, forestaff, spanaemia, valetudinarianism, distasture, pyrethrum, laudanum, gentian, bicameral and 11184 more...
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October Words-11337
During the month of October, post at least 10 new words to this list. Make sure you cite where you read the word (book/author/pg) and quote the context/sentence where you found it. If someone has a...
amplification, till, osmosis, osmoregulation, pinocytosis, junction, transduction, paralysis, afflicted, isotonic, diverse, entrenched and 48 more...
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Sciencese
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capitalcreative's Words
deviltry, visceral, cassanova, assuage, genesis, hot minute, osmosis, wistful, sublime, loathe, farfetched, newfangled and 283 more...
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Serendipity's Words
defenestration, mercurial, syzygy, wicked, iniquitous, metastable, demimonde, entropic, ephemeral, irreligious, frisbee, manifold and 474 more...
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science (collective opinion)
random scientific terms from a group of one hundred 16-18 year olds to choose 100 words that, in their collective opinion, represent crucial factors and concepts influencing trends in science today...
symbiosis, stem cell, solution, research, reaction, pressure, relativity, particle, probability, wave, organism, pollution and 90 more...
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kimo2000's Words
pakalolo, miliated, voodoo, vindaloo, hacienda, acquiesce, addlepated, olio, akimbo, apropos, oogenesis, arugula and 181 more...
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NakedFringe's Words
masticate, chamber, orchid, mandolin, yellow, pomegranate, conundrum, paradox, gyrate, calamitous, opalescent, cacophony and 533 more...
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Big Book #2 List
absolution, restitution, contrition, moratorium, nautical, nirvana, pandemonium, perennial, symposium, dialectic, dipsomaniacal, ecumenical and 117 more...
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Favorite Words II
antipode, subsumed, maladroit, quidnunc, tonsorial, savvy, vignette, retrograde, flummoxed, ne plus ultra, icosahedron, plethora and 138 more...
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mandarine's Words
antepenultimate, metonymy, synecdoche, pop, kern, inherit, clique, scrumptious, macerate, murmur, kerning, veranda and 1068 more...
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stpeter's Words
abase, abasement, abashed, abdicate, aberrant, abeyance, abhor, abhorrent, abide, abject, ablation, abnegation and 3536 more...
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Favorite Words
i love words.
ricochet, clavicle, etymology, equivocate, decoupage, dillydally, effervescent, flimflam, haberdashery, hullabaloo, debacle, juxtapose and 210 more...
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...:::bella:::...
originally started as an attempt to collect words I found visually and auditorially beautiful, as well as psychically evocative, this has become nothing more than a grab bag of word curiosities, a ...
bergamot, jambalaya, bee's knees, heliotrope, hosanna, gamboge, aureole, filial, madrigal, multilingual, sacrosanct, sojourn and 1072 more...
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mad the wordie
words that I like
sparsile, inchoate, asparagus, dendrochronology, primifluous, psalloid, cetacean, roots, birches, spires, mythopeia, intricate and 167 more...
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Pleasing words
A list of miscellaneous words, fitting in no exact theme, that I happen to enjoy.
portmanteau, aesthetic, deviation, conglomerate, treachery, soluble, bildungsroman, soliloquy, irrevocable, effervescent, phrontistery, aeipathy and 180 more...
Tweets
Looking for tweets for osmosis.

lweber5@scf.edu Online Dictionary. He never studies but seems to learn by osmosis. Oct 6, 2010
seanmeade overused compared with diffusion Apr 19, 2007