1. cause (a person or their body) to lose a large amount of water: "the heat dehydrated us even when we stood still"Similardry updry outlose waterbecome drybecome thirsty
▪ lose a large amount of water from the body: "the nurses made sure I didn't dehydrate"
▪ remove water from (food) in order to preserve and store it:"we usually either freeze or dehydrate the berries and use them as we need to"Similardrydry updry outdesiccatemake drydehumidifyremove the moisture fromparchseartechnical:efflorescerare:exsiccateOppositehydrate
Word Originlate 19th century: from de- (expressing removal) + Greek hudros, hudr- ‘water’.
