hydro-, hydra-, hydr-, hyd- +

The accumulation of urine in and distension of the renal pelvis and calyces due to obstructed out-flow.

A system of river-names.

A name of a body of water or rivers, lakes, and oceanic elements.

Proper names of bodies of water.

Hydronymy is the study of hydronyms and of how bodies of water receive their names and how they are transmitted through history. It can apply to rivers, lakes, even oceanic elements.

One who specializes in the use of water to treat and cure diseases.

The system of using water to treat and cure diseases.

The use of water to treat and cure diseases.

Excessive sweating as in hyperhidrosis.

A condition marked by an inadequate amount of water.

A reduction or deprivation of water.

Any sea snake of the genus Hydrophys and allied genera.

These snakes are venomous, live upon fishes, and have a flattened tail for swimming.

In chemistry, having an affinity for, attracting, adsorbing, or absorbing water.

1. Thriving in wet or aquatic habitats.
2. Pollinated by waterborne pollen.
3. Having an affinity for water; readily absorbing or dissolving in water.

A person who is afraid of water because of a perceived danger of drowning.

1. What is thought to be a fear of water, especially by those who have rabies; the inability to drink (swallow liquids) because of throat constrictions, not a fear of water itself, gives the impression that the rabies victim is afraid of water. 2. In biology, intolerant of water or wet conditions; water-repellent.