s, a, o, d, e, l, p, c, r, i are letters that make 'class period'
ER, OD, pe, period, la, lass, cl, RI, SS, as, ass, class, Rio, AS, LA, Io, peri, As, Cl, Er, La are words within 'class period'
1 possible definitions for 'class period'
Under this definition, class period is a noun and has the following properties:
course session, recitation have the same meaning as 'class period'
'class period' can be a type of session.
'class period' can be a part of course, course of study, course of instruction, class.