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immersion - 5 dictionary results

im⋅mer⋅sion

[i-mur-zhuhn, -shuhn]
–noun
1. an act or instance of immersing.
2. state of being immersed.
3. state of being deeply engaged or involved; absorption.
4. baptism in which the whole body of the person is submerged in the water.
5. Also called ingress. Astronomy. the entrance of a heavenly body into an eclipse by another body, an occultation, or a transit. Compare emersion (def. 1).
–adjective
6. concentrating on one course of instruction, subject, or project to the exclusion of all others for several days or weeks; intensive: an immersion course in conversational French.

Origin:
1425–75; late ME < LL immersiōn- (s. of immersiō) a dipping in. See immerse, -ion
im·mer·sion   (ĭ-mûr'zhən, -shən)   
n.  
    1. The act or an instance of immersing.
    2. The condition of being immersed.
  1. Baptism performed by totally submerging a person in water.
  2. Astronomy The obscuring of a celestial body by another or by the shadow of another.

Immersion

Im*mer"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.

2. Submersion in water for the purpose of Christian baptism, as, practiced by the Baptists.

3. The state of being overhelmed or deeply absorbed; deep engagedness.

Too deep an immersion in the affairs of life. --Atterbury.

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.

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.

immersion 
c.1450, from L.L. immersionem (nom. immersio), noun of action from immergere, from L. in- "into" + mergere "plunge, dip" (see merge). Meaning "absorption in some interest or situation" is from 1647. As a method of teaching a foreign language, it is from 1965, trademarked by the Berlitz company.

immersion im·mer·sion (ĭ-mûr'zhən, -shən)
n.

  1. The placing of a body under water or other liquid.
  2. The use of a fluid on a microscope slide in order to exclude air from between the glass slide and the bottom lens.

im·merse' (ĭ-mûrs') v.

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