A large extinct hyena of the genus Pachycrocuta, especially Pachycrocuta brevirostris, which was around the size of a lioness.

plural of hydraulic horsepower

(chemical engineering) The amount of pressure multiplied by the volumetric flowrate.

An extinct genus of hyenas, Chasmaporthetes.

Alternative form of gray hydrogen

hydrogen generated from hydrocarbon sources without attempting to capture and eliminate the waste carbon pollution