Noun | 1. | ![]() fundamental measure, fundamental quantity - one of the four quantities that are the basis of systems of measurement test period, trial period - a period of time during which someone or something is tested time frame - a time period during which something occurs or is expected to occur; "an agreement can be reached in a reasonably short time frame" hours - an indefinite period of time; "they talked for hours" downtime - a period of time when something (as a machine or factory) is not operating (especially as a result of malfunctions) uptime - a period of time when something (as a machine or factory) is functioning and available for use work time - a time period when you are required to work time off - a time period when you are not required to work; "he requested time off to attend his grandmother's funeral" bout - a period of illness; "a bout of fever"; "a bout of depression" hospitalization - a period of time when you are confined to a hospital; "now they try to shorten the patient's hospitalization" travel time - a period of time spent traveling; "workers were not paid for their travel time between home and factory" times - a more or less definite period of time now or previously present; "it was a sign of the times" time - an indefinite period (usually marked by specific attributes or activities); "he waited a long time"; "the time of year for planting"; "he was a great actor in his time" elapsed time - the time that elapses while some event is occurring duration, continuance - the period of time during which something continues calendar week, week - a period of seven consecutive days starting on Sunday midweek - the middle of a week field day - a time of unusual pleasure and success lifespan, lifetime, life-time, life - the period during which something is functional (as between birth and death); "the battery had a short life"; "he lived a long and happy life" life - the period between birth and the present time; "I have known him all his life" life - the period from the present until death; "he appointed himself emperor for life" millennium, millenary - a span of 1000 years bimillenary, bimillennium - a span of 2000 years occupation - the period of time during which a place or position or nation is occupied; "during the German occupation of Paris" past - a earlier period in someone's life (especially one that they have reason to keep secret); "reporters dug into the candidate's past" shelf life - the length of time a packaged food or drug will last without deteriorating puerperium - time period following childbirth when the mother's uterus shrinks and the other functional and anatomic changes of pregnancy are resolved; "a perinatologist cared for her during the puerperium" lactation - the period following birth during which milk is secreted; "lactation normally continues until weaning" time of life - a period of time during which a person is normally in a particular life state calendar day, civil day - a day reckoned from midnight to midnight festival - a day or period of time set aside for feasting and celebration daylight, daytime, day - the time after sunrise and before sunset while it is light outside; "the dawn turned night into day"; "it is easier to make the repairs in the daytime" forenoon, morn, morning, morning time - the time period between dawn and noon; "I spent the morning running errands" night - the time between sunset and midnight; "he watched television every night" night - the period spent sleeping; "I had a restless night" night - a period of ignorance or backwardness or gloom eve - the period immediately before something; "on the eve of the French Revolution" evening - the early part of night (from dinner until bedtime) spent in a special way; "an evening at the opera" fortnight, two weeks - a period of fourteen consecutive days; "most major tennis tournaments last a fortnight" weekend - a time period usually extending from Friday night through Sunday; more loosely defined as any period of successive days including one and only one Sunday Indian summer, Saint Martin's summer - a period of unusually warm weather in the autumn year - the period of time that it takes for a planet (as, e.g., Earth or Mars) to make a complete revolution around the sun; "a Martian year takes 687 of our days" schooltime, school day, school - the period of instruction in a school; the time period when school is in session; "stay after school"; "he didn't miss a single day of school"; "when the school day was done we would walk home together" |
2. | period - the interval taken to complete one cycle of a regularly repeating phenomenon interval, time interval - a definite length of time marked off by two instants orbit period - the time it takes to complete one full orbit around a celestial body; "the orbit period depends on the altitude of the satellite" | |
3. | period - (ice hockey) one of three divisions into which play is divided in hockey games hockey game, ice hockey, hockey - a game played on an ice rink by two opposing teams of six skaters each who try to knock a flat round puck into the opponents' goal with angled sticks division, section, part - one of the portions into which something is regarded as divided and which together constitute a whole; "the written part of the exam"; "the finance section of the company"; "the BBC's engineering division" period of play, playing period, play - (in games or plays or other performances) the time during which play proceeds; "rain stopped play in the 4th inning" | |
4. | period - a unit of geological time during which a system of rocks formed; "ganoid fishes swarmed during the earlier geological periods" geologic time, geological time - the time of the physical formation and development of the earth (especially prior to human history) geological era, era - a major division of geological time; an era is usually divided into two or more periods epoch - a unit of geological time that is a subdivision of a period and is itself divided into ages glacial epoch, glacial period, ice age - any period of time during which glaciers covered a large part of the earth's surface; "the most recent ice age was during the Pleistocene" | |
5. | period - the end or completion of something; "death put a period to his endeavors"; "a change soon put a period to my tranquility" | |
6. | ![]() expelling, discharge, emission - any of several bodily processes by which substances go out of the body; "the discharge of pus" hypermenorrhea, menorrhagia - abnormally heavy or prolonged menstruation; can be a symptom of uterine tumors and can lead to anemia if prolonged oligomenorrhea - abnormally light or infrequent menstruation | |
7. | period - a punctuation mark (.) placed at the end of a declarative sentence to indicate a full stop or after abbreviations; "in England they call a period a stop" punctuation mark, punctuation - the marks used to clarify meaning by indicating separation of words into sentences and clauses and phrases suspension point - (usually plural) one of a series of points indicating that something has been omitted or that the sentence is incomplete |