Biphasic, meaning having two phases, may refer to: *

Phase (matter) In the physical sciences, a phase is a region of space (a thermodynamic system), throughout which all physical properties of a material are essentially uniform. Examples of physical properties include density, index of refraction, magnetiza ...

, in the physical sciences, a biphasic system, e.g. one involving liquid water and steam * Biphasic sleep, a nap or siesta in addition to the usual sleep episode at night * Phase (pharmacology) *

Biphasic disease A biphasic disease is a disease which has two distinct phases or components. In clinically biphasic diseases, the phases are generally chronologically separated. In histopathologically biphasic tumors (also called biplastic tumors), there is neopl ...

* Biphasic formulations of oral contraceptive pills

See also