Period : nf et nm (word from latin period, Greek Periodically "circle").
The word "period" has many meanings:
I) Feminine name:
A. Space of time
1. More or less long space of time (duration).
A period of one an.
To be in a good, a bad period (to be in a good, a bad period).
A time of crisis. In times of economic recession.
A period of cold.
The period of champignons (season).
The period of holidays, holidays.
During school time.
By periods: from time to time.
Blue, white, red period: time periods determining different tariffs (transport).
Prime time.
Specially: Division of time marked by important events (epoch).
The Merovingian period, revolutionary, between the wars.
The period loan, romantic.
The most beautiful period of Egyptian art.
Arts: Characterization of the manner of a painter at a certain moment.
Picasso's blue period.
Gauguin's Breton period.
2. Didactics: Space of time, generally of well-defined duration, characterized by a certain phenomenon (stage, window, moment, phase, stage; periodization).
Physiology: The period of ovulation.
Menstrual period: menses.
Incubation period of a disease.
Geology. Division of an era, corresponding to a system (of terrains).
Coal period of the primary era.
3. In law: Duration during which one can or must perform legal acts. Trial period (labour law).
Security period (criminal law).
Suspicious period, which precedes the declaratory judgment of bankruptcy, and during which the acts of the bankrupt are null or voidable (common law).
Election period, which precedes polling day.
Military: Training period or period during which reservists are made available to the military authority to update their military training. Make a period.
4. Nuclear domiane: Period of a radioactive nuclide or radioactive period: time interval after which half of the atoms of the nuclide have disintegrated (half-life).
5 Science, physics: Inverse magnitude of frequency, constant time elapsed between two successive passages of an oscillating system in the same position and in the same direction. Period of a pendulum.
Period of a wave: interval between two successive maximums at a given point.
Period of an alternating current. A current of fifty cycles per second.
A period of twenty milliseconds.
Astronomy: Revolution time of a planet, a satellite (cycle).
The period of Mars is 687 days.
Neptune period around the Sun.
Period of revolution: time required to complete an orbit.
Rotation period: time required for the star to complete one revolution on itself.
6. Sport Half time of a game. First, second period.
B. Quantity, series:
1. Mathematics: The smallest possible fixed quantity that can be added to the variable without changing the value of a periodic function.
Period of a fraction: group of repeating digits in the decimal part of a fraction written in decimal notation.
2. Chemistry: Series of atoms occupying the same row in the periodic table* (Mendeleiev's table).
C. Sentence whoseassembly of itemsand varied whether they are, is harmonious.
Oratory period.
A period of Cicero.
Music: Musical period or period.
II) Masculine noun: At the highest, at the last period: at the most top degree (Pigmentation, paroxysm).