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sugar beet

noun
1.
various cultivars of a beet, Beta vulgaris, of the amaranth family, having a white root, cultivated for the sugar it yields.
Origin
1810-1820
1810-20
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for sugar-beet

sugar beet

noun
1.
a variety of the plant Beta vulgaris that is cultivated for its white roots from which sugar is obtained Compare sugar cane
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Encyclopedia Article for sugar-beet

sugar beet

variety of beet (Beta vulgaris, Saccharifera Alefeld variety), a biennial plant of the Chenopodiaceae family. It is cultivated for its juice, from which sugar is processed. This article treats the cultivation of the sugar beet plant. For information on the processing of beet sugar and the history of its use, see the article sugar.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Word Value for sugar

6
8
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