Meaning of "period" in Essential American English Dictionary


noun us /ˈpɪər·i·əd/

B1 a length of time:

a 24-hour period
a period of four months

B1 in a school, one of the parts of the day when a subject is taught:

We have six periods of science a week.

B1 the punctuation mark (.) that is put at the end of a sentence, or at the end of a word that has been shortened

(Definition of “period” from the Webster's Essential Mini Dictionary © Cambridge University Press)