- time period: an amount of time; "a time period of 30 years"; "hastened the period of time of his recovery"; "Picasso's blue period"
- the interval taken to complete one cycle of a regularly repeating phenomenon
- (ice hockey) one of three divisions into which play is divided in hockey games
- a unit of geological time during which a system of rocks formed; "ganoid fishes swarmed during the earlier geological periods"
- the end or completion of something; "death put a period to his endeavors"; "a change soon put a period to my tranquility"
- menstruation: the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause; "the women were sickly and subject to excessive menstruation"; "a woman does not take the gout unless her menses be stopped"--Hippocrates; "the semen begins to appear in males and to be ...
- The menstrual cycle is a series of physiological changes that can occur in fertile females. Overt menstruation (where there is blood flow from the uterus through the vagina) occurs primarily in humans and close evolutionary relatives such as chimpanzees. ...
- Period (per) is a gene in Drosophila which encodes a protein, PER, regulating circadian rhythm. There are some known alleles of the per gene that can make the circadian cycle longer or shorter than the usual cycle (which is around 24 hours). It is still uncertain how exactly this gene operates.
- The geologic time scale provides a system of chronologic measurement relating stratigraphy to time that is used by geologists, paleontologists and other earth scientists to describe the timing and relationships between events that have occurred during the history of the Earth. ...
- In mathematics, a periodic function is a function that repeats its values in regular intervals or periods. The most important examples are the trigonometric functions, which repeat over intervals of length 2π. ...
- A period is a phrase consisting usually of at one antecedent and consequent and totaling about 8 measures in length (though this varies depending on meter and tempo). ...
- In the periodic table of the elements, elements are arranged in a series of rows (or periods) so that those with similar properties appear in vertical columns. ...
- The length of time for a disease to run its course. [15th-19th c.]; An end or conclusion; the final point of a process etc. [from 16th c.]; A period of time in history seen as a single coherent entity; an epoch, era. [from 16th c.]; A periodic sentence. [from 16th c.]; The punctuation mark “. ...
- (Periods) 1 · 2 · 3 · 4 · 5 · 6 · 7 · 8
- (Periods) An ice hockey game normally has three periods of play with a rest time and/or ice resurfacing between each period. Periods can be between 10 and 20 minutes in length and can be either stop time or running time. In-line hockey frequently is played with only two periods.
- (Periods) Timeline · Early life · Middle years · Later life
- (Periods) Water polo has 4, 7-minute periods. Like other sports, however, in takes longer to play a game than just 28 minutes. There is a two-minute break in-between periods.
- (Periods) or styles — the names of the different types of fashionable art, see Art Nouveau, Baroque, Biedermeier, Chinoiseries, Historicism, Renaissance, and Rococo for the most important stein styles.
- (THE PERIODS) The dates of the periods are not hard and fast and vary in different publications. Within reason the following are usually accepted:
- Any quarter, half or overtime segment.
- a narrow passageway that leads from a magma reservoir to a vent.
- The duration of time it takes for a periodic wave form (like a sine wave) to repeat itself.
- The length of time for which, or end date until, the initial interest rate applies.
- Used to describe a grouping of Matches and/or Accounting entries into a logical set of elements that constitutes a billing/payment date range for Organizations/Referees
- The time it takes for an oscillating system to complete one full cycle.