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dehydration

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de⋅hy⋅dra⋅tion

[dee-hahy-drey-shuhn]
–noun
1. the act or process of dehydrating.
2. an abnormal loss of water from the body, esp. from illness or physical exertion.

Origin:
1850–55; dehydrate + -ion
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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de·hy·dra·tion   (dē'hī-drā'shən)   
n.  
  1. The process of removing water from a substance or compound.

  2. Excessive loss of water from the body or from an organ or body part, as from illness or fluid deprivation.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Cultural Dictionary

dehydration

The removal of water; in chemistry, the loss of two hydrogen atoms for every oxygen atom (see H8O).

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: de·hy·dra·tion
Pronunciation: "dE-hI-'drA-sh&n
Function: noun
: the process of dehydrating; especially : an abnormal depletion of body fluids
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

dehydration de·hy·dra·tion (dē'hī-drā'shən)
n.

  1. Excessive loss of water from the body or from an organ or a body part, as occurs during illness or fluid deprivation.

  2. The process of removing water from a substance or compound.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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