Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The passage of a fluid through a semipermeable membrane toward a solution of lower concentration, especially the passage of water through a cell membrane into the surrounding medium.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. osmosis in which fluid flows through a membrane towards a region of lower concentration

from the GNU version of the Collaborative International Dictionary of English

  • n. See exosmose.

from The Century Dictionary and Cyclopedia

  • n. The passage of gases, vapors, or liquids through membranes or porous media from within outward, in the phenomena of osmosis, the reverse process being called endosmosis. See endosmosis, osmosis.

Etymologies

ex(o)- + osmosis.
(American Heritage® Dictionary of the English Language, Fourth Edition)
exo- +‎ osmosis? (Wiktionary)

Examples

Wordnik is becoming a not-for-profit! Read our announcement here.

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.