(organic chemistry) An organic compound with chemical formula C₁₃H₁₀O₂, used to test the levels of urea in the bloodstream.

(historical) An old printing machine that involves transfer of an original, prepared with special inks, to a pan of gelatin or a gelatin pad pulled tight on a metal frame.

Paratriaenops pauliani, a species of Old World leaf-nosed bat.

The tendency to expand one's ownership of property without regard for its ethical implications