(Greek: a suffix; pertaining to; of the nature of, like; in chemistry, it denotes a higher valence of the element than is expressed by -ous)

1. The scientific description and analysis of the physical conditions, boundaries, flow, and related characteristics of the earth's surface waters.
2. The mapping of bodies of water.
1. Of or relating to hydrokinetics; to fluids in motion or the forces that produce or affect such motion.
2. Of or relating to the kinetic energy and motion of fluids.
3. The use of moving water or other fluid for therapeutic purposes, as in hydromassage.
1. Tending to remove or separate water; eliminating water.
2. A process that promotes hydrolysis.
Relating to hydrometry or the hydrometer.
1. Relating to or typical of a soil that has built up in the presence of excess water.
2. Referring to an intrazonal soil with characteristics that were developed in the presence of excess water all or part of the time.
3. Structually adapted to an aquatic environment, as organs of water plants.
In chemistry, having an affinity for the absorption of water.
1. Relating to the scientific study or principles of cleanliness and health.
2. A reference to health or its preservation.
3. Clean or free from disease-causing microorganisms.
4. Belonging or relating to hygiene; sanitary.
Relating to a change in the rate of movements of an organism in response to a change in humidity.
Referring to the hygrometer or hygrometry (any of several instruments for measuring the humidity of the atmosphere).
1. Somewhat warm.
2. Relating to reduction of body heat.
1. Having a lesser degree of tension.
2. Having a lesser osmotic pressure than a reference solution, which is ordinarily assumed to be blood plasma or interstitial fluid; more specifically, it refers to a fluid in which cells would swell.
hypozoic (adjective) (not comparable)
Referring to elements that are older than the lowest rocks containing organic traces; pertaining to the Hyposoa: Hypozoic remains are those that lie below the fossiliferous systems in geology.
1. Characterized by the depiction of the contours and elevations of the natural features on the surface of the earth.
2. A representation or description of the earth's topological features above sea level, as on a map.