periodical
1. pe.ri.od.i.cal \.pir-e--'a:d-i-k*l\ \-k(*-)le-\ aj 1: PERIODIC 2a: published with a fixed interval between the issues or numbers 2b: published in, characteristic of, or connected with a periodical - pe.ri.od.i.cal.ly av 2. periodical n : a periodical publication