pachytene Pachystima • pachytrichous · · · Info · Definitions · Characters · · pachytene · · Text Latin · · Script 9 · · Length Definitions · · · (noun) the third stage of the prophase of meiosis. · · Noun Definition 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 h latin small letter h U+0068 n latin small letter n U+006E p latin small letter p U+0070 t latin small letter t U+0074 y latin small letter y U+0079