[with obj.][often as adj. dehydrated]cause (a person or their body) to lose a large amount of water 使(人,身体)脱水 his body temperature was high and he had become dehydrated. 他体温很高,已经脱水了。 ■[no obj.]lose a large amount of water from the body 脱水,身体失水 ■remove water from (food) in order to preserve and store it 使(食物)脱水 dehydrated mashed potatoes. 脱水土豆泥。
派生 dehydration noun dehydrator noun 语源
late 19th cent.: from de- (expressing removal) + Greek hudros, hudr- 'water'