isogram isograft • isograph · · · Info · Definitions · Synonyms · Characters · · isogram · · Text Latin · · Script 7 · · Length 3 · · Syllables Definitions · · · (noun) a line drawn on a map connecting points having the same numerical value of some variable. Synonyms: isopleth, isarithm. · · Noun Definition 1 Synonyms · · · isopleth · · Synonym 1 isarithm · · Synonym 2 Characters · · a latin small letter a U+0061 g latin small letter g U+0067 i latin small letter i U+0069 m latin small letter m U+006D o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073