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The simple diffusion of water (H20) into the plasma membrane. The diffusion of water is determined by the concentration of dissolved substances in the surrounding enviroment. This is done through suckage.
"The plant's cells sucked the water in via Osmosis"
Osmosis by BiologyPHD August 10, 2012

verbal osmosis 

The act of checking your mail, facebook and twitter accounts, checking out the new additions to lolcats, failblog, roflrazzi and urban dictionary, checking nhl and ufc highlights, etc, all while your teacher is lecturing you, hoping that some of the talk that is washing over you will stick in your head.
"Life's too short to listen to this crap. Hopefully i'll accidentally learn enough to pass via verbal osmosis."
verbal osmosis by sike moda November 16, 2009

Reverse Osmosis 

The extremely rare process in which a woman actually loses weight after getting married and or having children…
Wow, she looks better now then she did before having the kids !!! Talk about "Reverse Osmosis", that breastfeeding thing really does a body good !!!
Reverse Osmosis by Sombeach82 June 27, 2010
person one: hey did miss tell you about osmosis.
person two: no.
person one: good because it's stupid.
osmosis by steveosuperfan February 27, 2021

Reverse Osmosis 

The process of osmosis, or learning something while you are asleep, but the thing/person learning is awake.
Fuck this osmosis shit, sleeping is hard. Reverse osmosis is the shit!

ghetto osmosis 

The act of maintaining a ghetto disposition that is on and off regardless if you get out of the ghetto. It has already permeated your head. A term used in New York City to describe people to have a continually ghetto character mad randomly wherever they may move or go.
Today:

John: Hi Marie
Marie: O Hi John

Tomorrow:

John: Hi Marie
Marie: Fuck You, Just Kidding

John & Friends: Damn the Hood done permeated her brain. She Got Ghetto Osmosis.


ghetto osmosis by Winmobmak384 March 31, 2009