Monosaccharide definition

mŏnə-săkə-rīd, -rĭd
Any of a class of carbohydrates that cannot be broken down to simpler sugars by hydrolysis and that constitute the building blocks of oligosaccharides and polysaccharides. Monosaccharides consist of at least three carbon atoms, one of which is attached to an oxygen atom to form an aldehyde group (CHO) or a ketone, and the others of which are each attached to a hydroxyl group (OH). Monosaccharides can occur as chains or rings. Fructose, glucose, and ribose are monosaccharides.
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Any of several carbohydrates, such as tetroses, pentoses, and hexoses, that cannot be broken down to simpler sugars by hydrolysis.
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A carbohydrate, CxH2xOx, not decomposable by hydrolysis; esp., a hexose sugar, C6H12O6, as glucose, fructose, or galactose.
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Any of several carbohydrates, such as tetroses, pentoses, and hexoses, that cannot be broken down to simpler sugars by hydrolysis.
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(biochemistry) A simple sugar such as glucose, fructose or deoxyribose that has a single ring.
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Other Word Forms

Noun

Singular:
monosaccharide
Plural:
monosaccharides