a colorless, crystalline sugar alcohol, CH(OH), occurring in various plants and animals
See mannitol in American Heritage Dictionary 4
(mănˈĭ-tôlˌ, -tōlˌ, -tŏlˌ)
noun
A white, crystalline, water-soluble, slightly sweet alcohol, C6H8(OH)6, used as a dietary supplement and dietetic sweetener and in medical tests of renal function.