the action of going out of or leaving a place
a way out
another term for emersion
go out of or leave (a place)
the action or fact of going in or entering; the capacity or right of entrance.
a place or means of access; an entrance.
the unwanted introduction of water, foreign bodies, contaminants, etc.
the arrival of the sun, moon, or a planet in a specified constellation or part of the sky.
the beginning of a transit.