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immersion(i-mer -shŏn) Entry of a celestial body into a state of invisibility during an eclipse or occultation.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006
Immersion(religion, spiritualism, and occult)
Immersion is a term used to describe the Sun or the Moon as it enters an eclipse. Sometimes the term is applied to occultations.
The Astrology Book, Second Edition © 2003 Visible Ink Press®. All rights reserved.
The disappearance of a celestial body either by passing behind another or passing into another's shadow.
A mapping ƒ of a topological space X into a topological space Y such that for every x ∈ X there exists a neighborhood N of x, such that ƒ is a homeomorphism of N onto ƒ(N).
(science and technology)
Placement into or within a fluid, usually water.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.