In british|ireland|informal|lang=en terms the difference between immersion and immersion

is that immersion is (british|ireland|informal) an immersion heater while immersion is (british|ireland|informal) an immersion heater.

In mathematics|lang=en terms the difference between immersion and immersion

is that immersion is (mathematics) a smooth map whose differential is everywhere injective, related to the mathematical concept of an embedding while immersion is (mathematics) a smooth map whose differential is everywhere injective, related to the mathematical concept of an embedding.

In astronomy|lang=en terms the difference between immersion and immersion

is that immersion is (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; opposed to emersion while immersion is (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; opposed to emersion.

As nouns the difference between immersion and immersion

is that immersion is the act of immersing or the condition of being immersed while immersion is the act of immersing or the condition of being immersed.