Brain wave and Overmuch

Brain wave noun - (neurophysiology) rapid fluctuations of voltage between parts of the cerebral cortex that are detectable with an electroencephalograph.

Overmuch and brain wave are semantically related. In some cases you can use "Overmuch" instead an adjective phrase "Brain wave".

Overmuch adjective - Going beyond a normal or acceptable limit in degree or amount.

Brain wave and overmuch are semantically related. Sometimes you can use "Brain wave" instead an adjective "Overmuch".