1. (astronomy) the point in the orbit of one body of a binary system at which it is closest to the centre of mass of the system
   - pericenter [US]

Derived forms: pericentres

• cachepot
• cachet
• cachexia
• cachexy
• Cachi
• cachinnate
• cachinnation
• cachou
• Cacicus
• cacique
• cack
• cack-handed
• cack-handedness
• cackel
• cackle
• cackler
• cackly
• cacodaemon
• cacodaemonic
• cacodemon
• cacodemonic
• cacodyl
• cacodyl group
• cacodyl radical
• cacodylic