to divide; to separate; to allocate; to distinguish (good and bad); part or subdivision; fraction; one tenth (of certain units); unit of length equivalent to 0.33 cm; minute[cedict]
part[cedict]
十三
shí sānㄕˊ ㄙㄢ
thirteen; 13[cedict]
秒
miǎoㄇㄧㄠˇ
second (of time); unit of angle or arc equivalent to one sixtieth of a degree[cedict]