Chem. [f. L. fruct-us fruit + -OSE.] ‘Fruit sugar or lævulose. Also applied to the sugar found in fruit, which consists of variable proportions of lævulose and dextrose’ (Syd. Soc. Lex., 1885).

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1864.  in Webster.

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1893.  P. F. Frankland, Secr. Friends & Foes, 104. One of the principal artificial sugars prepared by Fischer is called fructose.

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1894.  Gould, Illustr. Dict. Med., Fructose, C6 H12 O6 Fruit-sugar, formerly called levulose.

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