Perihelion

Perihelion, the point on the orbit of a planet or comet nearest the sun.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Périgueux * Perim
Perfectionists
Pergamos
Pergamos
Peri
Periander
Pericles
Périer, Casimir
Perigee
Périgord
Périgueux
Perihelion
Perim
Peripatetic Philosophy
Pernambuco
Peronella
Perowne, Stewart
Perpignan
Perrault, Charles
Persecutions of the Church
Persephone
Persepolis