roccellic

1 definition found

roccellic - Collaborative International Dictionary of English v.0.48 :

  Roccellic \Roc*cel"lic\, a. [F. roccellique, fr. roccelle
     archil, It. & NL. roccella, fr. It. rocca a rock, because
     archil grows on rock.] (Chem.)
     Pertaining to, or designating, a dibasic acid of the oxalic
     series found in archil (Roccella tinctoria, etc.), and
     other lichens, and extracted as a white crystalline substance
     C17H32O4.
     [1913 Webster]