Kripkenstein[?] from Kripke[?] and Wittgenstein, coined to describe a philosophical position that Kripke argued one could read into Wittgenstein's work, but which neither he nor Wittgenstein accepted.
Portmanteau created by Lewis Carroll in the Jabberwocky
... of gyroscopes. Their striking property is that the axis of a spinning gyroscope will resist a force applied to it and will start rotating perpendicular to the force ...