taraxacum noun. [tǝ'raksǝkǝm] E18.
[medieval Latin altaraxacon from Arab. & Persian araša&kdbelow;ūn, -&kdbelow;ū&kdbelow; dandelion, wild endive, ult. from Persian tal bitter + čaū purslane.]
Any of the numerous plants constituting the genus Taraxacum, of the composite family, including dandelions. Also, a preparation of the dried root of the dandelion, formerly used as a tonic and diuretic.

■ taraxacin noun a bitter crystalline substance present in dandelions M19.

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