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tr.v. im·mersed, im·mers·ing, im·mers·es
1. To cover completely in a liquid; submerge.
2. To baptize by submerging in water.
3. To engage wholly or deeply; absorb: scholars who immerse themselves in their subjects.
[From Middle English immersed, embedded deeply, from Latin immersus, past participle of immergere, to immerse : in-, in; see in-2 + mergere, to dip.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Electronics) providing information or stimulation for a number of senses, not only sight and sound: immersive television sets.
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014