phase space

nouns

(physics) an ideal space in which the coordinate dimensions represent the variables that are required to describe a system or substance
"a multidimensional phase space"
phase space
domain category
the science of matter and energy and their interactions
"his favorite subject was physics"
natural philosophy, physics
is a type of (narrower)
the unlimited expanse in which everything is located
"they tested his ability to locate objects in space"; "the boundless regions of the infinite"
infinite, space