immersion

IPA: ɪmˈɝʒʌn

The act of immersing or the condition of being immersed.
The total submerging of a person in water as an act of baptism.
Deep engagement in something.
(Britain, Ireland, informal) An immersion heater.
(mathematics) A smooth map whose differential is everywhere injective, related to the mathematical concept of an embedding.
(astronomy) The disappearance of a celestial body, by passing either behind another, as in the occultation of a star, or into its shadow, as in the eclipse of a satellite.
(education) A form of foreign-language teaching where the language is used intensively to teach other subjects to a student.
One's suspension of disbelief while reading, playing a video game, etc. The experience of losing oneself in a fictional world.

Examples of "immersion" in Sentences

Yes, complete immersion is absolutely the best method.
Often, the problem with immersion is feeling lost in a sea of sounds that you have no idea how to make sense out of.
So, but, you know, the flip side of that -- and a lot of psychologists were talking about this -- is, one of the treatments to try and avoid PTSD is what they called immersion therapy.
"He is known for teaching through what he calls immersion experiences: bringing cultural awareness as well as language instruction to the classroom and leading students on 'home stays' in Mexico and Spain," Gist continued.