Dictionary

osmosis

noun os·mo·sis \äz-ˈmō-səs, äs-\

biology : the process that causes a liquid (especially water) to pass through the wall of a living cell

: an ability to learn and understand things gradually without much effort

Full Definition of OSMOSIS

1
:  movement of a solvent (as water) through a semipermeable membrane (as of a living cell) into a solution of higher solute concentration that tends to equalize the concentrations of solute on the two sides of the membrane
2
:  a process of absorption or diffusion suggestive of the flow of osmotic action; especially :  a usually effortless often unconscious assimilation <learned a number of languages by osmosis — Roger Kimball>

Examples of OSMOSIS

  1. She seems to learn foreign languages by osmosis.

Origin of OSMOSIS

New Latin, short for endosmosis
First Known Use: 1867

Other Chemical Engineering Terms

alkali, cation, decant, hygroscopic, isotope, oxidize, slurry, solute, viscous
OSMOSIS Defined for Kids

osmosis

noun os·mo·sis \äs-ˈmō-səs, äz-\

Definition of OSMOSIS for Kids

:  a passing of material and especially water through a membrane (as of a living cell) that will not allow all kinds of molecules to pass
Medical Dictionary

osmosis

noun os·mo·sis \äz-ˈmō-səs, äs-\
plural os·mo·ses \-ˌsēz\

Medical Definition of OSMOSIS

:  movement of a solvent through a semipermeable membrane (as of a living cell) into a solution of higher solute concentration that tends to equalize the concentrations of solute on the two sides of the membrane

Browse

2 ENTRIES FOUND:
Next Word in the Dictionary: osmotacticPrevious Word in the Dictionary: osmose (verb)All Words Near: osmosis
July 01, 2015
precarious Hear it
not certain, secure, or steady
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears