As distinguished from classical physics, all physics discoveries made since approximately 1900, including relativity and quantum mechanics.

To begin to make physical contact aggressively (as part of fighting or playing sports). / To begin to make physical contact sexually (as part of sexual intercourse).

plural of physic garden

(now historical) A botanical garden where plants are grown for medicinal purposes.

(obsolete) sociology

A small tropical American euphorbiaceous tree (Jatropha curcas) with poisonous seeds, cultivated to produce biodiesel fuel.

plural of physic nut

(physics, chemistry) A change affecting the form of a chemical substance, but not its chemical composition.

plural of physical change

plural of physical examination