mono·sac·cha·ride /ˌmɑnəˈsækəˌraɪd/
  單糖
  mono·sac·cha·ride /ˌmɑnəˈsækəˌraɪd/ 名詞
  單糖
  Mon·o·sac·cha·ride n. Also -rid .  Chem. A simple sugar; any of a number of sugars (including the trioses, tetroses, pentoses, hexoses, etc.), not decomposable into simpler sugars by hydrolysis. Specif., as used by some, a hexose.  The monosaccharides are all open-chain compounds containing hydroxyl groups and either an aldehyde group or a ketone group.
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  monosaccharide
       n : a sugar (like sucrose or fructose) that does not hydrolyse
           to give other sugars; the simplest group of carbohydrates
           [syn: monosaccharose, simple sugar]