Brain wave and Semisolid

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

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

Semisolid adjective - Partly solid; having a rigidity and viscosity intermediate between a solid and a liquid.

Brain wave and semisolid are semantically related. Sometimes you can use "Brain wave" instead an adjective "Semisolid".