WordRel.com

• a form of baptism in which part or all of a person's body is submerged

  hypernym	baptism
  hyponym	trine immersion

• the act of wetting something by submerging it

  synonym	dousingduckingsubmersion
  derivation	immerse
  hypernym	wetting

• complete attention; intense mental effort

  synonym	absorptionconcentrationengrossment
  derivation	immerse
  hypernym	attention
  hyponym	centeringcentringdirectionfocal pointfocusfocusingfocussingspecialismstudy

• sinking until covered completely with water

  synonym	submergencesubmergingsubmersion
  hypernym	sinking
  hyponym	dip

• (astronomy) the disappearance of a celestial body prior to an eclipse

  synonym	ingress
  antonym	emersion
  domain topic	astronomyuranology
  holo part	eclipseoccultation
  hypernym	disappearance