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1. To extract water from.
2. To lose water.
[L. de, from + G. hydōr (hydr-), water]
Farlex Partner Medical Dictionary © Farlex 2012


v. dehy·drated, dehy·drating, dehy·drates
1. To remove water from; make anhydrous.
2. To preserve by removing water from (vegetables, for example).
3. To deplete the bodily fluids of: The hot weather dehydrated the runners.
To lose water or bodily fluids.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.


1. To extract water from.
2. To lose water.
[L. de, from + G. hydōr (hydr-), water]
Medical Dictionary for the Dental Professions © Farlex 2012

Patient discussion about dehydrate

Q. What Are The Signs of Dehydration? How can you tell if someone is dehydrated? Are there specific signs or symptoms that may help notice?

A. 2 that I really notice when I am.... When you first stand up you feel dizzy, yet when you lay down you feel fine. My eyes sink back into their sockets.

Q. Why does headaches are a symptom of dehydration? A few days ago I had a headache and a friend told me that I’m probably dehydrated and I should drink more. So I did and the headache was gone…how come? What is the connection?

A. Headaches usually come from the tissues surrounding the brain. The brain itself can not feel pain. The tissues surrounding the brain (meningia) are filled with fluid named- Cerebro Spinal Fluid (CSF), when you are dehydrated the brain has a lot less liquid that will stand as a buffer between him and the skull. Thus every movement your head does will create pressure on the meningia and that hurts.

Q. I heard that the major risk in diarrhea is dehydration, why is that? How can I avoid that? Are there other dehydration causes I should beware of?

A. vomiting will also dehydrate you about as dangerously as diarrhea fye

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References in periodicals archive ?
Vertical-airflow dehydrators have the capability to expand simply by adding more trays to the stack.
Visit to find out more information about food dehydrators and cold press juicers.
I trimmed the cut rosemary to a length that would fit into the dehydrator and placed it on the trays.
The company added a new line of smaller dehydrators after Stone's wife, on a vacation with Stone in California, noticed many small farms with roadside stands that she thought could use dehydrators.
A dehydrator is, of course, tailor-made for drying foods and thus is both efficient and reliable.
A dehydrator. Allow me to share what I've learned about making healthy and irresistible dog treats.
Beef jerky is one of the most popular snacks - and it is driving demand for dehydrators. Show your customers how easily they can make great-tasting jerky at home for a fraction of the price using a dehydrator.
This is done, he explained, by the antenna's dehydrator, which provides pressurized air on the components to keep them free of moisture.
I have to agree that the "fancy raw meals" do require a "lot of electrical equipment." But then so does the fancy cooked vegan meal, which would draw much more electricity than would many hours of dehydrator use.
Applications include gas compressors, separators, heater treaters, scrubbers, dehydrators, gas production units, transmission and gathering lines.
Airplanes are notorious dehydrators and that can thicken your blood, making it more clot-prone.