The Collaborative International Dictionary
Oreoselin
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.
Wiktionary
oreoselin
n. (context organic compound English) A white crystalline substance which is obtained indirectly from the root of an umbelliferous plant, ''Imperatoria oreoselinum'', and yields resorcin on decomposition.