What it means
The root in words about water or fluid in the body. dehydrationdee-hy-DRAY-shunA state in which the body has lost more water than it has taken in.de- remove, lack ofhydr/o water-ation processFull entry is a loss of body water, hydration is taking in fluid, hydronephrosis is a kidney swollen with urine that cannot drain, and hydrocephalus is too much fluid in the brain. It also appears in the names of some drugs and chemicals, such as hydrochloric acid.
Remember it
A fire hydrant gives water: hydr/o is water.
At a glance
| Also written | hydro- |
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Related terms
dehydration
A state in which the body has lost more water than it has taken in.
cephal/o
A word part that means head.