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1. Sinking until covered completely with water
   - submergence, submerging, submersion
    
2. (astronomy) the disappearance of a celestial body prior to an eclipse
   - ingress
    
3. Complete attention; intense mental effort
   - concentration, engrossment, absorption
    
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
   - submersion, ducking, dousing

Sounds like: iliac, ilsion, emer

Derived forms: immersions

Type of: attention, baptism, disappearance, sinking, wetting

Antonym: egress

Part of: eclipse, occultation

Encyclopedia: Immersion