immersion

im·mer·sion  (-mûrzhn, -shn)

n.

1.

a. The act or an instance of immersing.

b. The condition of being immersed.

2. Baptism performed by totally submerging a person in water.

3. Astronomy The obscuring of a celestial body by another or by the shadow of another.

Thesaurus

Noun	1.	immersion - sinking until covered completely with water submergence, submerging, submersion sinking - a descent as through liquid (especially through water); "they still talk about the sinking of the Titanic" dip - a brief immersion
	2.	immersion - (astronomy) the disappearance of a celestial body prior to an eclipse ingress astronomy, uranology - the branch of physics that studies celestial bodies and the universe as a whole disappearance - the event of passing out of sight eclipse, occultation - one celestial body obscures another egress, emersion - (astronomy) the reappearance of a celestial body after an eclipse
	3.	immersion - complete attention; intense mental effort engrossment, absorption, concentration attention - the faculty or power of mental concentration; "keeping track of all the details requires your complete attention" centering, focus, focusing, focussing, focal point, direction - the concentration of attention or energy on something; "the focus of activity shifted to molecular biology"; "he had no direction in his life" specialism - the concentration of your efforts on a particular field of study or occupation study - a state of deep mental absorption; "she is in a deep study"
	4.	immersion - a form of baptism in which part or all of a person's body is submerged baptism - a Christian sacrament signifying spiritual cleansing and rebirth; "most churches baptize infants but some insist on adult baptism" trine immersion - baptism by immersion three times (in the names in turn of the Trinity)
	5.	immersion - the act of wetting something by submerging it dousing, ducking, submersion wetting - the act of making something wet

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immersion

noun 1. involvement, concentration, preoccupation, absorption

noun 2. dipping, submerging, plunging, ducking, dousing, dunking