| 释义 |
Noun: period pi(u)reeud- 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 - The interval taken to complete one cycle of a regularly repeating phenomenon
- (ice hockey) one of three divisions into which play is divided in hockey games
- A unit of geological time during which a system of rocks formed
"ganoid fishes swarmed during the earlier geological periods"
- geological period - The end or completion of something
"death put a period to his endeavors"; "a change soon put a period to my tranquility" - The monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause
- menstruation, menses, menstruum, catamenia, flow - A punctuation mark (.) placed at the end of a declarative sentence to indicate a full stop or after abbreviations
- point, full stop, stop, full point
Derived forms: periods See also: periodical Type of: discharge, division, emission, end, ending, expelling, fundamental measure, fundamental quantity, geologic time, geological time, interval, part, punctuation, punctuation mark, section, time interval Part of: era, geological era, period of play, play, playing period Encyclopedia: Period |