see under hydro-.
2. hydr- ·- a combining form from ·gr. /, /, water (see hydra).
3. hydr- ·- a combining form of hydrogen, indicating hydrogen as an ingredient, as hydrochloric; or a reduction product obtained by hydrogen, as hydroquinone.
see under hydro-.
2. hydr- ·- a combining form from ·gr. /, /, water (see hydra).
3. hydr- ·- a combining form of hydrogen, indicating hydrogen as an ingredient, as hydrochloric; or a reduction product obtained by hydrogen, as hydroquinone.
Webster English vocab. Английский словарь Webster. 2012