Word Study
period of time
WORDNET DICTIONARY
Noun period of time has 1 sense
- period of time(n = noun.time) period, time period - an amount of time; "a time period of 30 years"; "hastened the period of time of his recovery"; "Picasso's blue period" is a kind of fundamental measure, fundamental quantity
has particulars: test period, trial period, time frame, hours, downtime, uptime, work time, time off, bout, hospitalization, travel time, times, time, elapsed time, continuance, duration, calendar week, week, midweek, field day, life, life-time, lifespan, lifetime, life, life, millenary, millennium, bimillenary, bimillennium, occupation, past, shelf life, puerperium, lactation, time of life, calendar day, civil day, festival, day, daylight, daytime, forenoon, morn, morning, morning time, dark, night, nighttime, night, night, night, eve, evening, hebdomad, week, fortnight, two weeks, weekend, indian summer, saint martin's summer, year, school, school day, schooltime, twelvemonth, year, yr, year, semester, bimester, olympiad, lustrum, decade, decennary, decennium, century, quadrennium, quinquennium, half-century, quarter-century, quarter, phase of the moon, day, calendar month, month, mid-january, mid-february, mid-march, mid-april, mid-may, mid-june, mid-july, mid-august, mid-september, mid-october, mid-november, mid-december, time limit, term, trimester, hour, silly season, golden age, silver age, bronze age, iron age, great year, platonic year, regulation time, extra time, overtime, season, time of year, canicular days, canicule, dog days, midwinter, season, season, age, long time, years, long haul, long run, drought, drouth, epoch, era, generation, prehistoric culture, prehistory, reign, run, early days, youth, dawn, evening, time, nap, sleep, lease, term of a contract, half-life, half life, lunar time period, tide, phase, stage, multistage, watch, peacetime, wartime, duty tour, enlistment, hitch, term of enlistment, tour, tour of duty, honeymoon, indiction, prohibition, prohibition era, incubation period, rainy day, noviciate, novitiate, bloom, blossom, efflorescence, flower, flush, heyday, peak, prime, running time, clotting time, air alert, question time, real time, real time, study hall, usance, window, bronze age, iron age, stone age, eolithic, eolithic age, palaeolithic, paleolithic, paleolithic age, lower paleolithic, middle paleolithic, upper paleolithic, epipaleolithic, mesolithic, mesolithic age, neolithic, neolithic age, new stone age, great schism
For further exploring for "period of time" in Webster Dictionary Online