pe·ri·od·i·cal 
/ˌpiriˈɑdɪkəl/ noun
plural pe·ri·od·i·cals /ˌpiriˈɑdɪkəl/ noun [count] : a magazine that is published every week, month, etc.
▪ She writes for a monthly periodical. ▪ The library has a large collection of scholarly periodicals.
▪ She writes for a monthly periodical. ▪ The library has a large collection of scholarly periodicals.
