(Of an electric current or signal) exhibiting a single phase; (of an electrical device) operating on a single phase.

Designating or relating to (a record of) a nerve impulse that is of the same sign throughout, and experimental arrangements devised to give such records.

Of a substance or mixture: consisting of a single phase.

Of a process, or a curve representing it: occurring in a single phase; not marked by two or more stages of different character.