Quercitron

3 definitions found

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

  Quercitron \Quer"cit*ron\, n. [F. quercitron, the name of the
     name of tree; L. quercus an oak + citrus the citron tree.]
     1. The yellow inner bark of the {Quercus tinctoria}, the
        American black oak, yellow oak, dyer's oak, or quercitron
        oak, a large forest tree growing from Maine to eastern
        Texas.


        [1913 Webster]
  
     2. Quercitrin, used as a pigment. See {Quercitrin}.
        [1913 Webster]

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

  Quercitrin \Quer"cit*rin\, n. [Cf. F. quercitrin. See
     {Quercitron}.] (Chem.)
     A glucoside extracted from the bark of the oak ({Quercus}) as
     a bitter citron-yellow crystalline substance, used as a
     pigment and called {quercitron}.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:

  quercitron
       n 1: a yellow dye made from the bark of the quercitron oak tree
       2: medium to large deciduous timber tree of the eastern United
          States and southeastern Canada having dark outer bark and
          yellow inner bark used for tanning; broad 5-lobed leaves
          are bristle-tipped [syn: {black oak}, {yellow oak}, {quercitron
          oak}, {Quercus velutina}]