transitive verb-·drat·ed, -·drat·ing
to remove water from (a compound, substance, bodily tissues, etc.); dry: foods are dehydrated to preserve them for future use
Origin of dehydratefrom de- + Classical Greek hyd?r, water + -ate
to lose water; become dry
verbde·hy·drat·ed, de·hy·drat·ing, de·hy·drates
- To remove water from; make anhydrous.
- To preserve by removing water from (vegetables, for example). See Synonyms at dry.
- To deplete the bodily fluids of: The hot weather dehydrated the runners.
To lose water or bodily fluids.
(third-person singular simple present dehydrates, present participle dehydrating, simple past and past participle dehydrated)