Social osmosis is the indirect infusion

Infusion

An infusion is the outcome of steeping plants with desired chemical compounds or flavors in water or oil.-History:The first recorded use of essential oils was in the 10th or 11th century by the Persian polymath Avicenna, possibly in The Canon of Medicine.-Preparation techniques:An infusion is very...

of social/cultural knowledge. Effectively, social content is diffused, and by happenstance authentic experience is displaced by degrees of mediated separation before a subject acquires knowledge of a social phenomenon.

Furthermore, an example of social osmosis would be knowing a show exists that you have never seen, and yet possessing detailed information concerning aspects of the show without actively acquiring this knowledge, such as the main character's stage name and the actor/actress who plays him/her.

Sources

Raaj K. Sah, "Social Osmosis And Patterns Of Crime: A Dynamic Economic Analysis" Yale Economic Growth Center, paper 609, 1990 also: The Journal of Political Economy, Vol. 99, No. 6. (Dec., 1991), pp. 1272-1295. (JSTOR)

"Indoctrination as a normative conception" Studies in Philosophy and Education Volume 4, Number 4 / December, 1966

Social Osmosis: Refugees in Hong Kong AD Barnett, 1953

"Reverse Social Osmosis in Uttar Pradesh" Economic and Political Weekly, 2007 (epw.org.in)