He was also the lead nuclear negotiator from 2003 to 2005, a period when it seemed a settlement might be reached.
After breast cancer left her with a mastectomy, she went through a period of soul searching—then got back on stage.
Neptune retrograde on Friday begins a period of transparency.
Once that period ends, the firms can then decide who they want to hire.
You cross the country four or five times in a three-week period.
They absorbed her atmosphere and after each followed a period of mental asphyxy.
In a tract on "Virginity" he glorified that state according to the taste of the period.
My own position at this period was embarrassing in the extreme.
They seem to become objects of condemnation within the period of the history.
In the early part of the period he occupied a very lowly place.
early 15c., "course or extent of time," from Middle French periode (14c.) and directly from Medieval Latin periodus "recurring portion, cycle," from Latin periodus "a complete sentence," also "cycle of the Greek games," from Greek periodos "cycle, circuit, period of time," literally "a going around," from peri- "around" (see peri-) + hodos "a going, way, journey" (see cede).
Sense of "repeated cycle of events" led to that of "interval of time." Meaning "dot marking end of a sentence" first recorded c.1600, from similar use in Medieval Latin (in late 16c. English it meant "full pause at the end of a sentence"). Sense of "menstruation" dates from 1822. Educational sense of "portion of time set apart for a lesson" is from 1876. Sporting sense attested from 1898. As an adjective from 1905; period piece attested from 1911.
1640s, from French périodique (14c.), from Latin periodicus, from periodus (see period).
Periodic table in chemistry (1889) is from notion of the arrangement, in which similar properties recur at intervals in elements in the same area as you read down the rows of the table. This sense of the word is attested from 1872 (periodic law).
period pe·ri·od (pĭr'ē-əd)
An interval of time characterized by the occurrence of a certain condition, event, or phenomenon.
One of the stages of a disease.
A menstrual period.
A sequence of elements arranged in order of increasing atomic number.
periodic pe·ri·od·ic (pĭr'ē-ŏd'ĭk)
Having or marked by repeated cycles.
Recurring at regular intervals.
End of story. That is final: Don't ask me again. Period