projective geometry projective device • projective technique · · · Info · Definitions · Synonyms · Characters · · projective geometry · · Text Common · · Latin · · Scripts 19 · · Length 7 · · Syllables Definitions · · · (noun) the geometry of properties that remain invariant under projection. Synonyms: projective geometry, descriptive geometry. · · Noun Definition 1 Synonyms · · · descriptive geometry · · Synonym 1 Characters · · space U+0020 c latin small letter c U+0063 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 j latin small letter j U+006A m latin small letter m U+006D o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 t latin small letter t U+0074 v latin small letter v U+0076 y latin small letter y U+0079