- A stick of incense of the kind burned before a Chinese image, idol, or shrine.线香：在中国的神像、偶像或圣祠前点的一种线香
- hydrogen iodide
- hydrogen ion
- hydrogenolysis
- hydrogen peroxide
- hydrogens
- hydrogen sulfide
- hydrogeology
- hydrographies
- hydrography
- hydroid
- hydroidean
- hydroids
- hydrokinetic
- hydrokinetics
- hydrologic cycle
- hydrologies
- hydrology
- hydrolysate
- hydrolysates
- hydrolyse
- hydrolysis
- hydrolyzate
- hydrolyze
- hydrolyzed
- hydrolyzes