a, o, d, e, l, n, h, r, t, u, y are letters that make 'undulatory theory'
OR, lat, theory, Tory, he, la, UN, He, at, undulatory, LA, ND, tor, At, La, Nd, Th are words within 'undulatory theory'
1 possible definitions for 'undulatory theory'
Under this definition, undulatory theory is a noun and has the following properties:
wave theory, wave theory of light have the same meaning as 'undulatory theory'
corpuscular theory, corpuscular theory of light have the opposite meaning of 'undulatory theory'
'undulatory theory' can be a type of scientific theory.
'undulatory theory' can be a category of physics, natural philosophy.