Permian permian • permian period · · · Info · Definitions · Characters · · Permian · · Text Latin · · Script 7 · · Length 3 · · Syllables Definitions · · · (noun) from 280 million to 230 million years ago; reptiles. Synonyms: Permian period. · · Noun Definition 1 Characters · · P latin capital letter p U+0050 a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E r latin small letter r U+0072