noun
: a theory in physics: the interaction of two separate physical systems (as particles) is attributed to a field that extends from one to the other and is manifested in a particle exchanged between the two systems
noun
: a theory in physics: the interaction of two separate physical systems (as particles) is attributed to a field that extends from one to the other and is manifested in a particle exchanged between the two systems
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012