Definition of period
1
: the completion of a cycle, a series of events, or a single action : conclusion
2 a (1)
: an utterance from one full stop to another : sentence
(2)
: a well-proportioned sentence of several clauses
(3)
: periodic sentence
b
: a musical structure or melodic section usually composed of two or more contrasting or complementary phrases and ending with a cadence
5 a (1)
: a point . used to mark the end (as of a declarative sentence or an abbreviation)
(2)
—used interjectionally to emphasize the finality of the preceding statement
- I don't remember — period
b
: a rhythmical unit in Greek verse composed of a series of two or more cola
6 a
: a portion of time determined by some recurring phenomenon
b (1)
: the interval of time required for a cyclic motion or phenomenon to complete a cycle and begin to repeat itself
(2)
: a number k that does not change the value of a periodic function f when added to the independent variable;
especially
: the smallest such number
c
: a single cyclic occurrence of menstruation
7 a
: a chronological division : stage
b
: a division of geologic time longer than an epoch and included in an era
c
: a stage of culture having a definable place in time and space
8 a
: one of the divisions of the academic day
b
: one of the divisions of the playing time of a game
