1) Having two phases 
A biphasic system is one which has two phases. ...
having two phases; having both a sporophytic and a gametophytic phase in the life cycle.
<biology> Having two phases, having both a sporophytic and a gametophytic phase in the life cycle. ... (19 Jan 1998) ... 
Type: Term Pronunciation: bī-f′ik Definitions: 1. Cellular structure with two histomorphologic patterns. The paradigm is synovial sarcoma, in which plump round cells and spindle-shaped fibroblastic cells alternate with with glandularlike areas that show synoviallike cells.
biphasic Having two distinct phases.
having two phases. · having a gametophytic and a sporophytic phase.