Home › Words › R › rehydratorrehydratorrehydrator means that which rehydrates.Among words judged in Lexicurio's Arena, rehydrator ranks #3,411 of 42,747 for Qualifying.EtymologyFrom rehydrate + -or.nounThat which rehydrates.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.rehydration 73% match — The replenishment of water and electrolytes lost through dehydration. vs rehydrator →rehydrate 72% match — To resupply with water that has been removed or lost; to moisten something that has dried. vs rehydrator →dehydrator 69% match — A drying agent. vs rehydrator →dehydrant 66% match — Any material that produces dehydration vs rehydrator →dehydrating 64% match — that dehydrates. vs rehydrator →remoisturization 64% match — The process of remoisturizing. vs rehydrator →revitalizer 62% match — One who, or that which, revitalizes. vs rehydrator →hydrolyser 61% match — That which hydrolyses. vs rehydrator →