hydro-, hydra-, hydr-, hyd- +
(Greek: water)
magnetohydrodynamics, magnetohydrodynamic
The study of the interaction of magnetic fields and electrically conducting liquids or gases; such as, molten metal or plasma.
orohydrography, orohydrograph, orohydrographic
The branch of hydrography that deals with the relation of mountains to drainage and to water sheds.
oscheohydrocele
Hydrocele [serous fluid] in the sac of a scrotal hernia.
oxyhydrocephalus
A type of hydrocephalus in which the head has a pointed shape.
oxyhydrogen
Consisting of a mixture of oxygen and hydrogen.
panhydrometer
A hydrometer that can be used to measure the relative density of any liquid.
physohydrometra
The presence of gas and fluid within the uterus.
podohydrosis
The excessive sweating of the feet.
polydipsia
The drinking of water in abnormally large amounts.
It may be psycogenic, or secondary to dehydration due to any cause, or an attempt to keep up with a sustained polyuria, as in diabetes insipidus or diabetes mellitus.
proshydrotaxis
Positive galvanotaxis.
pseudohydrophobia
1. An excessive fear of what is assumed to be hydrophobia, but which may only seem to be hydrophobia.
2. Any animal disease that has symptoms similar to rabies, but which is not.
scaphohydrocephalus, scaphohydrocephaly
Hydrocephalus in which the head assumes a boatlike shape.
speleohydrology
The study of how water is involved in the formation of caves.
stenohydric
1. A very narrow flow of water.
2. Tolerant of a narrow range of moisture levels or humidity.
3. Having a narrow tolerance of environmental moisture that is characterized by very exacting limits: a reference to certain organisms; especially, plants.
telehydrobarometer
An instrument for recording the pressure of a head of water or other liquid.
Cross references of word families that refer to "water":
aqua-;
hydat-;
hygro-.
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