isometric vs isometric line

isometric and isometric line both are nouns.

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

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

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

isometric (adjective)	isometric line (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