Home › Words › I › isogravisogravisograv means an isoline on a map joining points of equal gravitational potential.Among words judged in Lexicurio's Arena, isograv ranks #2,710 of 42,752 for Qualifying.EtymologyFrom iso- + clipping of gravity.nounAn isoline on a map joining points of equal gravitational potential.e.g.“They've plotted what they call isogravs, lines of equal-g, and riding parallel to them seems to do funny things.” — 1954, Astounding Science-fiction, volume 52, numbers 4-53, page 99:Definitions & examples from Wiktionary (CC BY-SA 3.0).