GlossarySelect a letter from the list below to view glossary terms, acronyms, and abbreviations. A B C D E F G H I K L M N O P R S T U V W Habitat Hammermill HAP Haul out, hauling out Hazardous material Hazardous waste head head pond Heat exchanger Heat flow Hectare (ha) Hemicellulose herbicides High tide Historic properties Historic trail HMTA Hogged fuel or hog fuel Hopper Horizontal axis turbine Hot Dry Rock (HDR) Hydraulic fracturing (Hydrofracturing) Hydrocarbons Hydrofracturing Hydrogen sulfide Hydrokinetic energy Hydrologic conduits Hydrology Hydrolysis cellulosic ethanol production plant hydropower hydropower facility, diversion hydropower facility, impoundment hydropower facility, pumped storage Hydrothermal hypolimnion |