definition
A length of time.
example
There was a period of confusion following the announcement.
definition
A period of time in history seen as a single coherent entity; an epoch, era.
example
Food rationing continued in the post-war period.
definition
The punctuation mark “.” (indicating the ending of a sentence or marking an abbreviation).
definition
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.
definition
Female menstruation.
example
When she is on her period, she prefers not to go swimming.
definition
A section of an artist's, writer's (etc.) career distinguished by a given quality, preoccupation etc.
example
This is one of the last paintings Picasso created during his Blue Period.
definition
Each of the divisions into which a school day is split, allocated to a given subject or activity.
example
I have math class in second period.
definition
Each of the intervals into which various sporting events are divided.
example
Gretzky scored in the last minute of the second period.
definition
The length of time for a disease to run its course.
definition
An end or conclusion; the final point of a process etc.
definition
A complete sentence, especially one expressing a single thought or making a balanced, rhythmic whole.
definition
A specific moment during a given process; a point, a stage.
definition
A row in the periodic table of the elements.
definition
A subdivision of an era, typically lasting from tens to hundreds of millions of years, see Appendix: Geologic timescale.
definition
A Drosophila gene, the gene product of which is involved in regulation of the circadian rhythm.
definition
Two phrases (an antecedent and a consequent phrase).
definition
The length of an interval over which a periodic function, periodic sequence or repeating decimal repeats; often the least such length.
definition
End point, conclusion.