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

Derived forms: apocentres

• rum-blossom
• Rumania
• Rumanian
• Rumansh
• rumba
• rumble
• rumble seat
• rumbling
• rumbustious
• rumen
• Rumex
• Rumex acetosa
• Rumex acetosella
• Rumex obtusifolius
• Rumex scutatus
• ruminant
• Ruminantia
• ruminate
• rumination
• ruminative
• ruminator
• rummage
• rummage sale
• rummer
• rummy