Physics, Chemistry. 1  a wave function describing the state of a single electron in an atom (atomic orbital) or in a molecule (molecular orbital) 2  the electron in that state.
DEFINITION of 'Yo-Yo'. Slang for a very volatile market. A yo-yo market will have no distinguishing features of either an up or down market, taking on characterstics of both. Security prices in a yo-yo market will swing very high to low over a given period of time, making it difficult for buy and hold investors to profit. Next Up.
(Redirected from Yin Yan Yo!) Yin Yang Yo! is an AmericanâCanadian flash animated television series created by Bob Boyle and produced by Jetix Animation Concepts. It is the third Jetix-original show. It first aired August 26, 2006 as a sneak peek and premiered September 4, 2006 on Jetix in the United States.