hydro extractionhydro extractorhydro fixationhydro ionhydro settinghydrocarbonhydrochloric acidhydrochlorite bleachinghydrocyanic acidhydroextractrhydrofobichydrogen bindinghydrogen bondhydrogen bondinghydrogen donatorhydrogen peroxidehydrogenationhydrohalogenationhydrolic presshydrolysehydrolysishydrolysis of celluosehydrometerhydrometer scalehydrophilhydrophil lipophile balancehydrophil lypophile balancehydrophilehydrophilichydrophilic bondinghydrophilic headhydrophilic lipophilic balancehydrophilicityhydrophobehydrophobichydrophobic agenthydrophobic bondinghydrophobic interactionhydrophobic tailhydroscopehydroscopic coefficienthydrosulphitehydrotrophydrotropehydroushydroxidehydroxyhydroxy grouphydroxylaminehydroxyle group