period
interjection//ˈpi.ɹɪd//punkt, och därmed basta, punkt och slut, period, tidsperiod
(chiefly, North America) That's final; that's the end of the matter (analogous to a period ending a sentence); end of story.
A length of time in history seen as a single coherent entity; an epoch, era. [from 16th c.]
(now, chiefly, North America, Philippines) The punctuation mark “.” (indicating the ending of a sentence or marking an abbreviation).
The length of time during which the same characteristics of a periodic phenomenon recur, such as the repetition of a wave or the rotation of a planet. [from 17th c.]
(chemistry) A row in the periodic table of the elements. [from 19th c.]
(geology) A geochronologic unit of millions to tens of millions of years; a subdivision of an era, and subdivided into epochs.