semester Synonyms

session term half-year school term biannual millisecond microsecond maturity date hexagram terms lunar year solar year calendar month biannually biyearly lunar month sidereal year halfyear time constraints six months half a year term time Sessions semestrial intersession Hilary school year academic year week second quarter portion period month minute millennium hour hexahedron hexagon hexad half course sestet sextet academic term sixer sextuplet half a dozen bissextile year year