a punctuation mark (.) placed at the end of a declarative sentence to indicate a full stop or after abbreviations | distance measured by the time taken to cover it |
the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause | a period of time equal to 1/24th of a day |
an amount of time | clock time |
the interval taken to complete one cycle of a regularly repeating phenomenon | a special and memorable period |
a unit of geological time during which a system of rocks formed | |
the end or completion of something | |
(ice hockey) one of three divisions into which play is divided in hockey games | |