Oreoselin

1 definition found

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

  Oreoselin \O`re*os"e*lin\, n. (Chem.)
     A white crystalline substance which is obtained indirectly
     from the root of an umbelliferous plant ({Imperatoria
     Oreoselinum}), and yields resorcin on decomposition.
     [1913 Webster]