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Astro*Dictionary by Michael Erlewine





1 article for "Peri–"

Peri– [Astro*Index]

Prefix denoting nearness. Opposite of the prefix, ap-, or apo-, denoting remoteness. Applied to the orbital point which is closest to its central body; thus, perihelion refers to the point closest to the Sun.

See also:
♦ Perigee


Astro*Index Copyright © 1997 Michael Erlewine