physics physics /ˈfɪzɪks/

noun

1. () The science of matter and energy and their interactions  ( natural philosophy , physics )
   the science of matter and energy and their interactions
    His favorite subject was physics
   his favorite subject was physics
   
   
2. The physical properties, phenomena, and laws of something  ( physics , physical science )
   the physical properties, phenomena, and laws of something
    He studied the physics of radiation
   he studied the physics of radiation
   

 physic physic /ˈfɪzɪk/

noun

1. A purging medicine; stimulates evacuation of the bowels  ( aperient , cathartic , physic , purgative )
   a purging medicine; stimulates evacuation of the bowels