| the branch of physics concerned with the conversion of different forms of energy | (thermodynamics) a thermodynamic quantity equal to the internal energy of a system plus the product of its volume and pressure |
| | the 8th letter of the Roman alphabet |
| | a unit of inductance in which an induced electromotive force of one volt is produced when the current is varied at the rate of one ampere per second |
| | a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe |