[1] : The Collaborative International Dictionary of English v.0.48

immersion \immer"sion\, n. l. immersio; cf. f. immersion.
   1. the act of immersing, or the state of being immersed; a
      sinking within a fluid; a dipping; as, the immersion of
      achilles in the styx.
      1913 webster

   2. submersion in water for the purpose of christian baptism,
      as, practiced by the baptists.
      1913 webster

   3. the state of being overhelmed or deeply absorbed; deep
      engagedness.
      1913 webster

            too deep an immersion in the affairs of life.
                                                  --atterbury.
      1913 webster

   4. astron. the dissapearance of a celestail 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.
      1913 webster

   immersion lens, a microscopic objective of short focal
      distance designed to work with a drop of liquid, as oil,
      between the front lens and the slide, so that this lens is
      practically immersed.
      1913 webster
see also:
emersion immersion lens 

[2] : WordNet (r) 2.0

immersion
     n 1: sinking until covered completely with water syn: submergence,
           submerging, submersion
     2: astronomy the disappearance of a celestial body prior to
        an eclipse syn: ingress ant: egress, egress
     3: complete attention; intense mental effort syn: 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 syn: submersion,
         ducking, dousing
see also:
submergence submerging submersion ingress egress concentration 
engrossment absorption ducking dousing 

[3] : Moby Thesaurus II by Grady Ward, 1.0

73 moby thesaurus words for "immersion":
   absorbed attention, absorption, affusion, application, aspergation,
   aspersion, baptism, baptismal gown, baptismal regeneration,
   baptistery, baptizement, bath, bathing, bedewing, burial, chrismal,
   christening, concentration, contemplation, dampening, damping,
   deep study, deep thought, deluge, dewing, dip, dipping, dousing,
   drowning, duck, ducking, dunking, engagement, engrossment,
   engulfment, flooding, font, hosing, hosing down, humidification,
   immergence, infusion, intentness, inundation, involvement,
   irrigation, laving, meditation, moistening, monomania, obsession,
   preoccupation, profound thought, rapt attention, rinsing,
   single-mindedness, sinking, souse, sousing, sparging, spattering,
   splashing, splattering, spraying, sprinkling, studiousness, study,
   submergence, submersion, swashing, total immersion, watering,
   wetting

Immersion >> I Words
Immersion, definition of term: Immersion
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Immersion Foot >> I Words
Immersion Foot, definition of term: Immersion Foot
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