单词 | dehydration |
释义 | dehydration (once / 25583 pages) n Dehydration is what happens when something has water removed from it. Dehydration makes people extremely thirsty, and it can make plants grow droopy and brown. During dehydration, moisture is lost without being replaced. In humans, dehydration can happen during strenuous exercise or in extreme heat — or simply when someone doesn't drink enough water for a certain length of time. A grape becomes a raisin through dehydration, shriveling and drying as moisture is removed. Dehydration and dehydrate, first used only by scientists, have a Greek root, hydro, "water." WORD FAMILYdehydrate: dehydrated, dehydrates, dehydrating, dehydration+/hydrate: dehydrate, hydrated, hydrates, hydrating, hydration USAGE EXAMPLESAt about 8,500 feet, dehydration, falling body temperature and exhaustion were big concerns. Los Angeles Times(Dec 27, 2016) He said autopsies Friday confirmed that the infant died several days later from dehydration and starvation. Washington Times(Dec 24, 2016) It also causes dehydration, exacerbating the symptoms of hypothermia, including poor reasoning and drowsiness. The Guardian(Dec 24, 2016) 1n the process of extracting moisture Syn|Hypo|Hyper desiccation, drying up, evaporation freeze-drying, lyophilisation, lyophilization a method of drying food or blood plasma or pharmaceuticals or tissue without destroying their physical structure; material is frozen and then warmed in a vacuum so that the ice sublimes inspissationthe process of thickening by dehydration extraction the process of obtaining something from a mixture or compound by chemical or physical or mechanical means 2n dryness resulting from the removal of water Syn|Hyper desiccation dryness, waterlessness, xerotes the condition of not containing or being covered by a liquid (especially water) 3n depletion of bodily fluids Hyper thirst, thirstiness a physiological need to drink |
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