Dictionary
im•mer•sion
Pronunciation: (i-mûr'zhun, -shun), [key]—
n.
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. Astron.the entrance of a heavenly body into an eclipse by another body, an occultation, or a transit. Cf.
emersion (def. 1).
—
adj.
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. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.