| hydrazinium salt | Hydraziniumsalz |
| hydrazinium salts | Hydraziniumsalze |
| hydrazinium sulfate | Hydraziniumsulfat |
| hydrazinium sulphate | Hydraziniumsulfat |
| hydrazinolysis | Hydrazinspaltung |
| hydrazo compound | Hydrazoverbindung |
| hydrazoarene | Hydrazoaren |
| hydrazobenzene | Hydrazobenzen |
| hydrazoic acid | Stickstoffwasserstoffsäure |
| Hydrazone | Hydrazon |
| Hydreliox | Hydreliox |
| hydremia | Hydrämie |
| hydremic edema | hydrämisches Ödem |
| hydrencephalus | Hydrocephalus |
| hydrencephaly | Hydrozephalie |
| hydrgenation plant | Hydrieranlage |
| hydrgenation plants | Hydrieranlagen |
| Hydria | Hydria |
| Hydrid | Hydride |
| hydride | Hydrid |
| hydride displacement | Hydridverschiebung |
| hydride displacement law | Hydridverschiebungssatz |
| hydride ion | Wasserstoffion |
| hydride ions | Hydrid-Ionen |
| hydride process | Hydridverfahren |
| hydride shift | Hydridverschiebung |
| hydride-forming element | Hydridbildner |
| hydrides | Hydride |
| hydrido cluster | Hydridocluster |
| hydridoborate | Hydridoborat |
| Hydrino theory | Hydrino |
| hydriodic acid | Iodwasserstoffsäure |
| hydristor | Hydristor |
| hydro | Wasserdruckprüfung |
| hydro energy | Wasserkraft |
| hydro excavator | Hydrobagger |
| hydro extraction | Wasserextraktion |
| hydro generator | Wasserkraftgenerator |
| hydro plant | Wasserkraftanlage |
| hydro potential | Wasserkraftpotential |
| hydro power | Wasserkraft |
| hydro shut-off nut setter | Hydro-Abschaltschrauber |
| hydro turbine | Wasserturbine |
| hydro-acoustics | Hydroakustik |
| hydro-desulfurization | hydrierende Entschwefelung |
| hydro-desulphurisation | hydrierende Entschwefelung |
| hydro-electric generator | Wasserkraftgenerator |
| hydro-electric power | Wasserkraft |
| hydro-electric power station | Wasserkraftwerk |
| hydro-electric power stations | Wasserkraftwerke |
| hydro-extractor | Wasserextraktionszentrifuge |
| hydro-forming | Innenhockdruckumformen |
| hydro-fracing | hydraulisches Aufbrechen |
| hydro-geothermal | hydro-geothermal |
| Hydro-power | Wasserkraft |
| hydro... | Wasser... |
| hydroacoustics | Hydroakustik |
| hydroactive movement | hydroaktive Bewegung |
| hydroactive stomatal movement | hydroaktive stomatäre Bewegung |
| hydroaromatic compound | hydroaromatische Verbindung |
| hydrobiology | Hydrobiologie |
| hydrobiome | Hydrobiom |
| hydroboracite | Hydroboracit |
| Hydroboration-oxidation reaction | Hydroborierung |
| hydrobot | Hydrobot |
| hydrobromic acid | Bromwasserstoffsäure |
| hydrocarbon | Kohlenwasserstoff |
| hydrocarbon chain | Kohlenwasserstoffkette |
| hydrocarbon chains | Kohlenwasserstoffketten |
| hydrocarbon compound | Kohlenwasserstoffverbindung |
| hydrocarbon explosion | Kohlenwasserstoff-Explosion |
| hydrocarbon intoxication | Kohlenwasserstoffintoxikation |
| hydrocarbon oil duty | Mineralölsteuer |
| hydrocarbon poisoning | Kohlenwasserstoffvergiftung |
| hydrocarbon resin | Kohlenwasserstoff-Harz , KWH |
| hydrocarbon resins | Kohlenwasserstoff-Harze , KWH |
| hydrocarbon storage tank | Kohlenwasserstofftank |
| hydrocarbonic acid | Hydrocarbonsäure |
| hydrocarbons | Kohlenwasserstoffe |
| hydrocele | Hydrozele |
| Hydrocele testis | Hydrozele |
| hydrocephalus | Hydrocephalus |
| hydrocephaly | Hydrocephalus |
| Hydrocharitaceae | Froschbissgewächse |
| hydrochemistry | Wasserchemie |
| hydrochloric | salzsauer |
| hydrochloric acid | Chlorwasserstoffsäure |
| hydrochloric acid burn | Salzsäureverätzung |
