defining vs physical process

defining and physical process both are nouns.

Word	Noun	Adjective	Verb	Adverb
defining	Yes	No	No	No
physical process	Yes	No	No	No

As nouns, physical process is a hypernym of defining; that is, physical process is a word with a broader meaning than defining:

defining: any process serving to define the shape of something
physical process: a sustained phenomenon or one marked by gradual changes through a series of states

Other hypernyms of defining include process.

defining (noun)	physical process (noun)
any process serving to define the shape of something	a sustained phenomenon or one marked by gradual changes through a series of states