de.hy.dra.tionn.(名词)The process of removing water from a substance or compound.脱水:脱去某物质或某化合物的水分的过程Excessive loss of water from the body or from an organ or a body part, as from illness or fluid deprivation.极度脱水:身体、器官或身体的一部分的极度失水,如由于疾病或缺乏流质引起