Rhamnus frangula

from WordNet (r) 3.0 (2006)

Rhamnus frangula
    n 1: small tree common in Europe [syn: {alder buckthorn}, {alder
         dogwood}, {Rhamnus frangula}]

from The Collaborative International Dictionary of English v.0.48

Frangulic \Fran*gu"lic\, Frangulinic \Fran`gu*lin"ic\, a.
   (Chem.)
   Pertaining to, or drived from, frangulin, or a species
   ({Rhamnus Frangula}) of the buckthorn.
   [1913 Webster]

   {Frangulinic acid} (Chem.), a yellow crystalline substance,
      resembling alizarin, and obtained by the decomposition of
      frangulin.
      [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Frangulin \Fran"gu*lin\, n. (Chem.)
   A yellow crystalline dyestuff, regarded as a glucoside,
   extracted from a species ({Rhamnus Frangula}) of the
   buckthorn; -- called also {rhamnoxanthin}.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Alder \Al"der\ ([add]l"d[~e]r), n. [OE. aldir, aller, fr. AS.
   alr, aler, alor, akin to D. els, G. erle, Icel. erlir, erli,
   Swed. al, Dan. elle, el, L. alnus, and E. elm.] (Bot.)
   A tree, usually growing in moist land, and belonging to the
   genus {Alnus}. The wood is used by turners, etc.; the bark by
   dyers and tanners. In the U. S. the species of alder are
   usually shrubs or small trees.
   [1913 Webster]

   {Black alder}.
   (a) A European shrub ({Rhamnus frangula}); Alder buckthorn.
   (b) An American species of holly ({Ilex verticillata}),
       bearing red berries.
       [1913 Webster] Alder