Definition of dehydration in English:



mass noun
  • 1The loss or removal of water from something.

    ‘from an inspection of plants undergoing dehydration there was no evidence of root damage’
    as modifier ‘a vegetable dehydration factory’
    • ‘In those studies, the fast-drying condition was referred to as the dehydration of seed tissues under a laminar flow cabinet or with silica gel.’
    • ‘Recalcitrant seeds lose their viability at relatively high water content during dehydration.’
    • ‘The glasshouse experiment aimed to rank the cultivars according to their dehydration tolerance.’
    • ‘Both of these ion changes result in water reabsorption from the airways and dehydration of mucus membranes.’
    • ‘During dehydration of the inner leaves, an accumulation of proline, sucrose, and protein was recorded.’
    • ‘Plants were well watered prior to the dehydration experiments.’
    • ‘Formation of ridges upon dehydration was found to be accompanied by a pronounced decrease in spore size.’
    • ‘The fan he had initially invented for drying tea proved adaptable for other purposes such as meat and vegetable dehydration plants.’
    • ‘An additional factor involved in desiccation tolerance is the dynamic behaviour of cell structures during dehydration.’
    1. 1.1 A harmful reduction in the amount of water in the body.
      ‘the patient was suffering from severe dehydration and malnutrition’
      ‘flying at high altitudes causes dehydration’
      • ‘Avoid coffee and alcohol because they tend to increase dehydration.’
      • ‘It is important that you take enough water - about 4 to 6 litres daily - to keep dehydration at bay.’
      • ‘Offer your child plenty of fluids to avoid dehydration - a fever will cause a child to lose fluids more rapidly.’
      • ‘Such headaches, for me, are provoked by stress, sleep deprivation, and dehydration.’
      • ‘Finally, after 48 hours, she was rescued and treated for dehydration, hypothermia and broken bones.’
      • ‘Drinking to quench thirst is usually a good guide to preventing dehydration.’
      • ‘Some pets can develop dehydration or even develop pneumonia.’
      • ‘Even mild dehydration can interfere with your digestion, which could allow polyamines to build up in your system.’
      • ‘Your urine concentration may rise with increased temperature or dehydration.’
      • ‘Try to avoid alcohol and caffeine-containing beverages on the airplane, as they will accelerate dehydration.’