/ Thesaurus / I Synonyms of isoclinic line Find synonyms for: Noun1. isoclinic line, isoclinal, isogram, isopleth, isarithmusage: an isogram connecting points of equal magnetic inclinationWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language