hydr- [医] 水, 氢
Hydr- \Hy"dr-\
See under {Hydro-}.
Hydro- \Hy"dro-\, Hydr- \Hy"dr-\
1. A combining form from Gr. ?, ?, water (see {Hydra}).
2. (Chem.) A combining form of hydrogen, indicating hydrogen
as an ingredient, as hydrochloric; or a reduction product
obtained by hydrogen, as hydroquinone.