Definition of


  1. (noun, time) an amount of time
    hastened the period of time of his recovery
    Picasso's blue period
  2. (noun, time) the interval taken to complete one cycle of a regularly repeating phenomenon
  3. (noun, time) (ice hockey) one of three divisions into which play is divided in hockey games
  4. (noun, time) a unit of geological time during which a system of rocks formed
  5. (noun, time) the end or completion of something
    a change soon put a period to my tranquility
  6. (noun, process) the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause
    a woman does not take the gout unless her menses be stopped
    the semen begins to appear in males and to be emitted at the same time of life that the catamenia begin to flow in females
  7. (noun, communication) a punctuation mark (.) placed at the end of a declarative sentence to indicate a full stop or after abbreviations

via WordNet, Princeton University

Alternate forms of Period

Derivations: periodical

Hyponyms: age, air alert, bimester, bimillenary, bimillennium, bloom, blossom, bout, bronze age, calendar day, calendar month, calendar week, canicular days, canicule, century, civil day, clotting time, continuance, dark, dawn, day, daylight, daytime, decade, decennary, decennium, dog days, downtime, drought, drouth, duration, duty tour, early days, efflorescence, elapsed time, enlistment, epoch, era, eve, evening, extra time, festival, field day, flower, flush, forenoon, fortnight, generation, glacial epoch, glacial period, golden age, great year, half life, half-century, half-life, hebdomad, heyday, hitch, honeymoon, hospitalization, hour, hours, hypermenorrhea, ice age, incubation period, indian summer, indiction, iron age, lactation, lease, life, life-time, lifespan, lifetime, long haul, long run, long time, lunar time period, lustrum, menorrhagia, mid-april, mid-august, mid-december, mid-february, mid-january, mid-july, mid-june, mid-march, mid-may, mid-november, mid-october, mid-september, midweek, midwinter, millenary, millennium, month, morn, morning, morning time, multistage, nap, night, nighttime, noviciate, novitiate, occupation, oligomenorrhea, olympiad, orbit period, overtime, past, peacetime, peak, phase, phase of the moon, platonic year, prehistoric culture, prehistory, prime, prohibition, prohibition era, puerperium, quadrennium, quarter, quarter-century, question time, quinquennium, rainy day, real time, regulation time, reign, run, running time, saint martin's summer, school, school day, schooltime, season, semester, shelf life, silly season, silver age, sleep, stage, study hall, suspension point, term, term of a contract, term of enlistment, test period, tide, time, time frame, time limit, time of life, time of year, time off, times, tour, tour of duty, travel time, trial period, trimester, twelvemonth, two weeks, uptime, usance, wartime, watch, week, weekend, window, work time, year, years, youth, yr

Hypernyms: discharge, division, emission, end, ending, expelling, fundamental measure, fundamental quantity, geologic time, geological time, interval, part, punctuation, punctuation mark, section, time interval

Origin of the word Period

  1. 1413, "course or extent of time," from M.L. periodus "recurring portion, cycle," from L. periodus "a complete sentence," also "cycle of the Greek games," from Gk. periodos "rounded sentence, cycle, circuit, period of time," lit. "going around," from peri- "around" + hodos "a going, way, journey" (see cede). Sense of "repeated cycle of events" … more

via Online Etymology Dictionary, ©2001 Douglas Harper

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