hydro-, hydra-, hydr-, hyd-
2. A rock that is free of organic material.
2. A practitioner of hydrology who works within the fields of either earth or environmental science, or civil and environmental engineering.
2. The body of medical knowledge and practice concerned with the therapeutic use of bathing and water therapy.
3. The sum of knowledge regarding water and its uses.
4. The study of the characteristics and occurences of water, and of the hydrologic cycle.
Research in the physical phenomena associated with the waters of the earth; such as, evaporation, groundwater storage and flow, snow melting and precipitation. Such studies include the circulation, properties and distribution of water; especially, water in the earth's atmosphere, in the soil and rocks, and on the earth's surface.
2. The splitting of a compound into fragments by the addition of water, the hydroxyl group being incorporated in one fragment and the hydrogen atom in the other.
2. A process that promotes hydrolysis.
2. Divination with water or other liquids; such as, tides and ebbs; by having a small boy tell what he has seen in the water.
Interpreting the color and patterns of flowing water; sometimes ripples are studied as stones are dropped into quiet water.
2. An impulse to commit suicide by drowning.
2. The area of fluid dynamics that is concerned with the study of liquids.
2. A plant that must have much moisture and heat to develop fully.