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dehydration

[dee-hahy-drey-shuh n] /ˌdi haɪˈdreɪ ʃən/
noun
1.
the act or process of dehydrating.
2.
an abnormal loss of water from the body, especially from illness or physical exertion.
Origin
1850-1855
1850-55; dehydrate + -ion
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for dehydration
  • dehydration means your body does not have as much water and fluids as it should.
  • For many people, a feeling of thirst only becomes apparent after significant dehydration.
  • Delusions were setting in because of dehydration and hypothermia.
  • For example, alcohol inhibits antidiuretic hormone, which leads to excessive urination and dehydration.
  • Dwarf conifers and broadleaf evergreens such as holly and rhododendrons are susceptible to dehydration and windburn in winter.
  • Risking dehydration is always preferable to having to find a restroom halfway through a job talk.
  • Thousands more who survived the flood later perished from dehydration and disease as they waited to be rescued.
  • Not enough cooling power could mean heatstroke or dehydration.
  • Headache and nausea are symptoms of dehydration too, among other disorders.
  • My migraine triggers: low barometric pressure, extreme exercise, dehydration.
dehydration in Medicine

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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dehydration in Science
dehydration
  (dē'hī-drā'shən)   
  1. The process of losing or removing water or moisture.

  2. A condition caused by the excessive loss of water from the body, which causes a rise in blood sodium levels. Since dehydration is most often caused by excessive sweating, vomiting, or diarrhea, water loss is usually accompanied by a deficiency of electrolytes. If untreated, severe dehydration can lead to shock.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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dehydration in Culture

dehydration definition


The removal of water; in chemistry, the loss of two hydrogen atoms for every oxygen atom (see H<sub>8</sub>O).

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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