'Hydr-' definitions:

Definition of 'Hydr-'

From: GCIDE
  • Hydr- \Hy"dr-\ See under Hydro-. [1913 Webster]

Definition of 'Hydr-'

From: GCIDE
  • Hydro- \Hy"dro-\, Hydr- \Hy"dr-\
  • 1. A combining form from Gr. ?, ?, water (see Hydra). [1913 Webster]
  • 2. (Chem.) A combining form of hydrogen, indicating hydrogen as an ingredient, as hydrochloric; or a reduction product obtained by hydrogen, as hydroquinone. [1913 Webster]