período

Noun

 * 1) period (interval of time)

Noun

 * 1) period time
 * 2)  a school year interval (in pre-university education) of approximately three months, the first running from the beginning of the school year in September, until Christmas, the second from Christmas to Easter, and the third from Easter to the end of the school year in June

Usage notes
Despite the orthography, in Portugal, the word is most often pronounced with the stress falling on the first o, even in careful speech (i.e. as if spelt periúdo).

Etymology
, from, from +.

Noun

 * 1) period a length of time
 * 2)  period a geochronologic unit of millions to tens of millions of years
 * 1)  period a geochronologic unit of millions to tens of millions of years
 * 1)  period a geochronologic unit of millions to tens of millions of years

Usage notes

 * The sense "period, menstrual cycle" applies only to the alternative form.