EMERSION

emergence, emersion

(noun) the act of emerging

egress, emersion

(noun) (astronomy) the reappearance of a celestial body after an eclipse

Source: WordNet® 3.1

Noun

emersion (countable and uncountable, plural emersions)

Emergence, especially from the water.

(astronomy) The reappearance of a heavenly body after being eclipsed by another or by the sun's brightness.

Source: Wiktionary

E*mer"sion, n. Etym: [Cf. F. émersion. See Emerge.]

1. The act of emerging, or of rising out of anything; as, emersion from the sea; emersion from obscurity or difficulties. Their immersion into water and their emersion out of the same. Knatchbull.

2. (Astron.)

Definition: The reappearance of a heavenly body after an eclipse or occultation; as, the emersion of the moon from the shadow of the earth; the emersion of a star from behind the moon.

Source: Webster’s Unabridged Dictionary 1913 Edition