chemical science vs equilibrium constant

chemical science and equilibrium constant both are nouns.

Word	Noun	Adjective	Verb	Adverb
chemical science	Yes	No	No	No
equilibrium constant	Yes	No	No	No

chemical science (noun)	equilibrium constant (noun)
the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions	(chemistry) the ratio of concentrations when equilibrium is reached in a reversible reaction (when the rate of the forward reaction equals the rate of the reverse reaction)