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noun, plural: sugars

(1) Any monosaccharide or disaccharide, used especially by organisms to store energy.

(2) Any sweet, crystalline solid disaccharide used as sweetener or preservative.


The term sugar is the generic term for any disachharides (e.g. sucrose) and monosaccharides (e.g. fructose, glucose). Sugars are essential structural component of living cells and source of energy in many organisms. Sugars are classified based on the number of monosaccharide units present. The monosaccharides join to form more complex sugars, e.g. disachharides (e.g. sucrose).

Word origin: from the Arabic and Persian ‘’shaker’’.

'’See also: carbohydrate

Related terms: