Diffusion 

The movement of molecules from an area of high concentration to an area of low concentration.

Osmosis is the diffusion of water.

Diffusion by randomword12 December 9, 2008

Diffusion 

the movement of molecules and ions from a high concentration area to a lower concentration area down the concentration gradient as a result of their random movement

example of diffusion: oxygen diffuses from the alveoli into the bloodstream

Diffusion by ScienceHuman101 August 2, 2016

Diffusion 

Moving Venmo balance from one account to another back and forth until all of you have the same balance and no one wants to put their card down anymore.

My Venmo balance is 120 and yours is $90 so by the laws of diffusion, you should pay. I’ll Venmo you

Diffusion by SR912 January 10, 2020

diffusion 

The movement of particles from an area of higher concentration to an area of lower concentration

I’m using diffusion to dry off my pants.

diffusion by bluestinger66 November 28, 2022

Cultural Diffusion 

The spreading of a cultural trait (eg, material object, idea,or behavior pattern) from one society to another

Cultural diffusion has resulted in our children enjoying a more enhanced holiday season due to additional traditions and celebrations shared with them by those of other cultures.

Cultural Diffusion by Katmandu September 4, 2003

Cultural Diffusion 

cultural diffusion menas the ideas and things in one culture "borrowed" by another culture

Americans borrowed the granny smith apple from Australia

Cultural Diffusion by Beatriz November 12, 2003

Elevator Diffusion 

The phenomenon in which people evenly distribute themselves in an elevator, especially after people get on or off said elevator.

Failure to do so will result in very awkward situations.

John: The elevator's stopped, time for elevator diffusion!

Kate: Why is this random standing right next to me?
John: Hey buddy! Follow elevator diffusion!
Random: Sorry, man

Elevator Diffusion by relativity13 April 5, 2011