Possible Clues:

• Thermodynamic quantity
• Thermodynamic measure of total heat content
• Heat content of the pan, largely empty, sadly
• Total heat of a thermodynamic system
• Total heat content of a system
• Heat content of a substance per unit mass
• Function for physical chemists: they plan to go wild
• Play, then work on heat content
• Characters of Kent, Hal, Pyramus display a measure of energy