What is "plumbane"

n. (context inorganic compound English) lead hydride, PbH₄

Plumbane, PbH, is a metal hydride composed of lead and hydrogen. Plumbane is not well-characterized or well-known, and it is thermodynamically unstable with respect to the loss of a hydrogen atom. Derivatives of plumbane include lead tetrafluoride, (PbF), and tetraethyllead, ((CHCH)Pb).