[1] : The Collaborative International Dictionary of English v.0.48

rumicin \ru"micin\, n. chem.
   a yellow crystalline substance found in the root of yellow
   dock rumex crispus and identical with chrysophanic
   acid.
   1913 webster
see also:
rumex crispus chrysophanic acid 

[2] : The Collaborative International Dictionary of English v.0.48

dock \dock\ do^k, n. as. docce; of uncertain origin; cf. g.
   docken-blaumtter, gael. dogha burdock, of. doque; perh.
   akin to l. daucus, daucum, gr. ?, ?, a kind of parsnip or
   carrot, used in medicine. cf. burdock. bot.
   a genus of plants rumex, some species of which are
   well-known weeds which have a long taproot and are difficult
   of extermination.
   1913 webster

   note: yellow dock is rumex crispus, with smooth curly
         leaves and yellow root, which that of other species is
         used medicinally as an astringent and tonic.
         1913 webster
see also:
burdock rumex rumex crispus 

Rumex >> R Words
Rumex, definition of term: Rumex
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