enthalpy
— Noun
– English
~ (thermodynamics) a thermodynamic quantity equal to the internal energy of a system plus the product of its volume and pressure; "enthalpy is the amount of energy in a system capable of doing mechanical work"
enthralled
— Adjective
– English
~ filled with wonder and delight
enthralling
— Adjective
– English
~ capturing interest as if by a spell; "bewitching smile"; "Roosevelt was a captivating speaker"; "enchanting music"; "an enthralling book"; "antique papers of entrancing design"; "a fascinating woman"