a. (Elec.) Pertaining to phase or differences of phase. [ Webster 1913 Suppl. ]

. The momentary current between two alternating-current generators when juxtaposed in parallel and not agreeing exactly in phase or period. [ Webster 1913 Suppl. ]

. Any of several transformers (there must be at least two) for changing phase. [ Webster 1913 Suppl. ]