1. A large, old, luminous star; has a relatively low surface temperature and a diameter large relative to the sun
   - red giant

Derived forms: red giant stars

Type of: star

• heat energy
• heat engine
• heat exchanger
• heat exhaustion
• heat flash
• heat hyperpyrexia
• heat lamp
• heat lightning
• heat of condensation
• heat of dissociation
• heat of formation
• heat of fusion
• heat of solidification
• heat of solution
• heat of sublimation
• heat of transformation
• heat of vaporisation
• heat of vaporization
• heat prostration
• heat pump
• heat rash
• heat ray
• heat shield
• monseigneur
• Monsieur