osmotic

[oz-moh-sis, os-]

os·mo·sis

[oz-moh-sis, os-]
noun
1.
Physical Chemistry, Cell Biology.
a.
the tendency of a fluid, usually water, to pass through a semipermeable membrane into a solution where the solvent concentration is higher, thus equalizing the concentrations of materials on either side of the membrane.
b.
the diffusion of fluids through membranes or porous partitions. Compare endosmosis, exosmosis.
2.
a subtle or gradual absorption or mingling: He never studies but seems to learn by osmosis.

Origin:
1865–70; 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

os·mot·ic [oz-mot-ik, os-] , adjective
os·mot·i·cal·ly, adverb
non·os·mot·ic, adjective
non·os·mot·i·cal·ly, adverb
un·os·mot·ic, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Osmotic is always a great word to know.
So is quincunx. Does it mean:
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
a fool or simpleton; ninny.
Collins
World English Dictionary
osmosis (ɒzˈməʊsɪs, ɒs-)
 
n
1.  the 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
2.  diffusion through any membrane or porous barrier, as in dialysis
3.  gradual or unconscious assimilation or adoption, as of ideas
 
[C19: Latinized form from osmose (n), from Greek ōsmos push, thrust]
 
osmotic
 
adj
 
os'motically
 
adv

Collins English Dictionary - Complete & Unabridged 10th Edition
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