immersion meaning and definition

IMMERSION noun

Definition of immersion (noun)

1. sinking until covered completely with water
   • synonyms: submergence, submerging, submersion
2. (astronomy) the disappearance of a celestial body prior to an eclipse
   • synonyms: ingress
   • antonym: egress
3. complete attention; intense mental effort
   • synonyms: absorption, concentration, engrossment
4. a form of baptism in which part or all of a person's body is submerged
5. the act of wetting something by submerging it
   • synonyms: dousing, ducking, submersion