three-dimensional vs isometric

three-dimensional is not a noun while isometric is a noun.

Word	Noun	Adjective	Verb	Adverb
three-dimensional	No	Yes	No	No
isometric	Yes	Yes	No	No

three-dimensional (noun)	isometric (noun)
	a line connecting isometric points

three-dimensional (adjective)	isometric (adjective)
having the shape of a cube; having three dimensions	of or involving muscular contraction in which tension increases while length remains constant
involving or relating to three dimensions or aspects; giving the illusion of depth	related by an isometry
	of a crystal system characterized by three equal axes at right angles
	having equal dimensions or measurements