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Period can be used in several ways. In math and science, it refers to how often a wave or trigonometric function repeats its action; in oceanography, how often the tides raise and lower; in Biology, part of the menstrual cycle involving the flushing of the uterine lining and egg; in schools and study, a section of the day in which one subject in particular is studied for around an hour; in grammar, it is the end of a sentence; in astronomy, the time between the repeat of certain actions such as sunspot and flare activity. There are many other uses which occur less often.
What else can I help you with?
What periodical did Johnson not write for?
Which periodical do johnson not write for
When did The Germ - periodical - end?
The Germ - periodical - ended in 1850.
When was The Germ - periodical - created?
The Germ - periodical - was created in 1850.
When did The Egoist - periodical - end?
The Egoist - periodical - ended in 1919.
When was The Egoist - periodical - created?
The Egoist - periodical - was created in 1914.
When was Massis - periodical - created?
Massis - periodical - was created in 1947.
When was Salmagundi - periodical - created?
Salmagundi - periodical - was created in 1807.
When did Salmagundi - periodical - end?
Salmagundi - periodical - ended in 1808.
When was Hask - periodical - created?
Hask - periodical - was created in 1932.
When was The Academy - periodical - created?
The Academy - periodical - was created in 1869.
When did The Academy - periodical - end?
The Academy - periodical - ended in 1902.
When was The Dome - periodical - created?
The Dome - periodical - was created in 1897.
