Function: noun
Date: 1833
: a theory in physics: light is transmitted from luminous bodies to the eye and other objects by an undulatory movement ― called also undulatory theory
Function: noun
Date: 1833
: a theory in physics: light is transmitted from luminous bodies to the eye and other objects by an undulatory movement ― called also undulatory theory
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012