01 n. 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.
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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.
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2.
Submersion in water for the purpose of Christian baptism, as, practiced by the Baptists.
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3.
The state of being overhelmed or deeply absorbed; deep engagedness.“Too deep an immersion in the affairs of life.” — Atterbury.
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4.
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.(Astron.)
Phrases & compounds
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.