[ek-sos-moh-sis, ek-soz-] 
| 1. | Biology. osmosis toward the outside of a cell or vessel. |
| 2. | Physical Chemistry. the flow of a substance from an area of greater concentration to one of lower concentration (opposed to endosmosis ). |
exosmosis ex·os·mo·sis (ěk'sŏz-mō'sĭs, -sŏs-)
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.
sɒsˈmoʊ