a punctuation mark (.) placed at the end of a declarative sentence to indicate a full stop or after abbreviations | a period of opportunity |
the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause | time for Earth to make a complete rotation on its axis |
an amount of time | a day assigned to a particular purpose or observance |
the interval taken to complete one cycle of a regularly repeating phenomenon | the time after sunrise and before sunset while it is light outside |
a unit of geological time during which a system of rocks formed | a point or period in time |
the end or completion of something | the recurring hours when you are not sleeping (especially those when you are working) |
(ice hockey) one of three divisions into which play is divided in hockey games | an era of existence or influence |
| the time for one complete rotation of the earth relative to a particular star, about 4 minutes shorter than a mean solar day |
| the period of time taken by a particular planet (e.g. Mars) to make a complete rotation on its axis |