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period in WordNet English dictionary
noun- the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause
"the women were sickly and subject to excessive menstruation"; "a woman does not take the gout unless her menses be stopped"--Hippocrates; "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"--Aristotle
menstruation menses menstruum catamenia period flow
- 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"
period point full stop stop full point
- a unit of geological time during which a system of rocks formed
"ganoid fishes swarmed during the earlier geological periods"
period geological period
- an amount of time
"a time period of 30 years"; "hastened the period of time of his recovery"; "Picasso's blue period"
time period period of time period
- the interval taken to complete one cycle of a regularly repeating phenomenon
period
- the end or completion of something
"death put a period to his endeavors"; "a change soon put a period to my tranquility"
period
- (ice hockey) one of three divisions into which play is divided in hockey games
period
WordNet Lexical Database v3.0, © 2006 Princeton University