Webster’s Revised Unabridged Dictionary · 1913
Lantanuric
Lan′ta·nu′ric (lăn′tȧ·nū′rĭk), a. [Formed by transposition of the letters of allantoin and -uric.] (Chem.) Pertaining to, or designating, a nitrogenous organic acid of the uric acid group, obtained by the decomposition of allantoin, and usually called allanturic acid.