2 entries found for period.
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Main Entry: pe·ri·od
Function: noun 1: the completion of a cycle, a series of events, or an action 2: a point . used to mark the end (as of a declarative sentence or an abbreviation) 3 a: a portion of time marked by some repeating event b: the length of time required for a motion or event to complete a cycle and begin to repeat itself <the period of a pendulum> c: a single occurrence of menstruation 4 a: 1STAGE 4e b: a division of geologic time longer than an epoch and included in an era c: a stage or portion of time in the history of something <the colonial period> 5 a: one of the divisions of the school day b: one of the divisions of the playing time of a game 6: a series of elements of increasing atomic number as listed in horizontal rows in the periodic table synonymsPERIOD, ERA, AGE mean a portion of time. PERIOD can be used of any portion of time, no matter how long or short <talked for a period of five minutes> <was a farmer for a period of twenty years>. ERA suggests a period of history noted for new or remarkable events <an era of space exploration>. AGE suggests a long period of time that is associated with an important person <the age of Thomas Jefferson> or an outstanding thing <the atomic age>.