Biphasic

Biphasic, meaning having two phases, may refer to:

• Phase (matter), 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
• Biphasic formulations of oral contraceptive pills

See also

• Biphase (disambiguation)
• Phase (disambiguation)