perihelion /per-i-hēˈli-ən/

1. The point of the orbit of a planet or a comet at which it is nearest to the sun, opp to aphelion
2. Culmination (figurative)

• phenyl
• phenylalanin
• phenylalanine
• phenylalanins
• phenylbenzene
• phenylbutazone
• phenylbutazones
• phenylethylamine
• phenylic
• phenylketonuria
• phenylketonuric
• phenyls
• phenylthiocarbamide
• pheon
• pheons
• Pherecratean
• Pherecratic
• pheromonal
• pheromone
• pheromones
• phese
• phew
• phi
• PHI
• phial