oblique triangle obliqueness • oblique vein of the left atrium · · · Info · Definitions · Antonyms · Characters · · oblique triangle · · Text Common · · Latin · · Scripts 16 · · Length 6 · · Syllables Definitions · · · (noun) a triangle that contains no right angle. Synonyms: oblique triangle. · · Noun Definition 1 Antonyms · · · right triangle · · Antonym 0 right-angled triangle · · Antonym 1 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F q latin small letter q U+0071 r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075