natural philosophy vs Dalton's law of partial pressures

natural philosophy and Dalton's law of partial pressures both are nouns.

Word	Noun	Adjective	Verb	Adverb
natural philosophy	Yes	No	No	No
Dalton's law of partial pressures	Yes	No	No	No

natural philosophy (noun)	Dalton's law of partial pressures (noun)
the science of matter and energy and their interactions	(chemistry and physics) law stating that the pressure exerted by a mixture of gases equals the sum of the partial pressures of the gases in the mixture; the pressure of a gas in a mixture equals the pressure it would exert if it occupied the same volume alone at the same temperature