Top definition
A word used for something, anything, that you can't think of the name for. Like "watchamaacallit", but more scientific.
Most cancers are caused by an abbertion in cell hemlis.

A star becomes a white dwarf after it consumes all of its hemlis

Hand me that hemlis!
by AltoDomino November 19, 2013
Get the mug
Get a hemlis mug for your girlfriend Sarah.