期

expiration of a term of service

moulting season; molting season

Computing

transition, cutover period

the first half-year; first half of the year

millennium

Common noun

periodicity

Nouns which may take the genitive case particle 'no'

periodic; cyclic

year-round mating season

long-range forecast (usu. weather)

anthesis; flowering season

transition from one epoch to another; change of era

indeterminate sentence

protection period (of copyright)

hunting season

time of year when television and radio replace programs (usu. spring and fall)

flowering season

waiting period

quarantine period

lactation period

formative period (e.g. of nation); formative year

days of one's menstrual period

infancy; in cradle

school seasonal (train and bus) ticket

one's full maturity

summer school

Computing

initializer