isometric line vs isometric

isometric line and isometric both are nouns.

Word	Noun	Adjective	Verb	Adverb
isometric line	Yes	No	No	No
isometric	Yes	Yes	No	No

As nouns, isometric line and isometric are synonyms defined as:

isometric line (noun)	isometric (noun)
a line connecting isometric points	a line connecting isometric points

isometric line (adjective)	isometric (adjective)
	of or involving muscular contraction in which tension increases while length remains constant
	related by an isometry
	of a crystal system characterized by three equal axes at right angles
	having equal dimensions or measurements