Planetary duality Synonyms

Planetary replaced

(adjective) unusually large
(adjective) of or relating to or resembling the physical or orbital characteristics of a planet or the planets
(adjective) having no fixed course

PD is an abbreviation for Planetary Duality

What does PD stand for?

PD stands for "Planetary Duality"

(noun) being twofold; a classification into two opposed parts or subclasses
(noun) (geometry) the interchangeability of the roles of points and planes in the theorems of projective geometry
(noun) (physics) the property of matter and electromagnetic radiation that is characterized by the fact that some properties can be explained best by wave theory and others by particle theory