a punctuation mark (.) placed at the end of a declarative sentence to indicate a full stop or after abbreviations | how long something has existed |
the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause | a time of life (usually defined in years) at which some particular qualification or power arises |
an amount of time | a late time of life |
the interval taken to complete one cycle of a regularly repeating phenomenon | an era of history having some distinctive feature |
a unit of geological time during which a system of rocks formed | a prolonged period of time |
the end or completion of something | |
(ice hockey) one of three divisions into which play is divided in hockey games | |