| vitamin | (noun) any of a group of organic substances essential in small quantities to normal metabolism | - |
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| vitaminise | (verb) add vitamins as a supplement | Synonyms: vitaminize |
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| vitaminize | (verb) add vitamins as a supplement | Synonyms: vitaminise |
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| wolframite | (noun) a mineral consisting of iron and manganese tungstate in crystalline form; the principal ore of tungsten; found in quartz veins associated with granitic rocks | Synonyms: iron manganese tungsten |
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| zamia | (noun) any of various cycads of the genus Zamia; among the smallest and most verdant cycads | - |
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