The Collaborative International Dictionary of English v.0.48:

Leucoturic \Leu`co*tu"ric\ (l[=u]`k[-o]*t[=u]"r[i^]k), a.
   [Leuco- + allantoic + uric.] (Chem.)
   Pertaining to, or designating, a nitrogenous organic
   substance of the uric acid group, called leucoturic acid or
   oxalantin. See Oxalantin.
   [1913 Webster]