Period

Period (from Latin periŏdus) is regularly used to designate the interval of time necessary to complete a repetitive cycle, or simply the space of time that something lasts.
It may refer to:

• In geology, geological period is a unit of geological time.

• In mathematics:

• Fractionary part of a pure or mixed decimal number.
• The period of one periodic is a certain value (P) which, as added to the independent variable, repeats the values of the dependent variable:

f(x)=f(x+nP){displaystyle fleft(xright)=fleft(x+nPright)}

Where n is an integer.

• In physics, oscillation period is the time interval between 2 equivalent points of a wave or oscillation.
• In astronomy, orbital period is the amount of time that takes a planet or celestial body to describe a complete orbit.
• In chemistry, period designate each of the 7 horizontal lines of the periodic table of the elements.
• In biology and physiology, period is used to designate the menstrual cycle and also the menstruation itself.
• In medicine, it is the duration of the phenomena observed during the advancement of the disease.
• In history and other social sciences, a division of historical time or periodization.
• In pedagogy, the adaptation period It is the time interval that children need to assimilate the changes in their lives, environment and environment by joining the school.