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

• mebibit
• mebibyte
• mecca
• Meccano
• Meccano set
• mechanic
• mechanic's lien
• mechanical
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• mechanical man
• mechanical mixture
• mechanical phenomenon
• mechanical piano
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• mechanical system
• mechanically
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• mechanician
• mechanics
• mechanisation