dehydrate
verb
[ diːhʌɪˈdreɪt ]
• cause (a person or their body) to lose a large amount of water.
• "the heat dehydrated us even when we stood still"
Similar:
dry up,
dry out,
lose water,
become dry,
become thirsty,
Origin:
late 19th century: from de- (expressing removal) + Greek hudros, hudr- ‘water’.