Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun dehydration

3 senses of dehydration

Sense 1
dehydration, desiccation -- (dryness resulting from the removal of water)
       => dryness, waterlessness, xerotes -- (the condition of not containing or being covered by a liquid (especially water))

Sense 2
dehydration -- (depletion of bodily fluids)
       => thirst, thirstiness -- (a physiological need to drink)

Sense 3
dehydration, desiccation, drying up, evaporation -- (the process of extracting moisture)
       => extraction -- (the process of obtaining something from a mixture or compound by chemical or physical or mechanical means)