Definition Of periodical
a magazine or newspaper published at regular intervals.
Under the Act, newspapers, magazines and periodicals are exempt from the need to be qualified to give advice.
occurring or appearing at intervals; occasional.
she took periodical gulps of her tea
Example Of periodical
A methodical and periodical assessment of the scholastic ability of students is more important than judging them by just one examination.
Again, in German-speaking countries the periodical publication of printed papers began quite early.
At periodical intervals, the network returns the data to a central control room by cellular phone, satellite, or a conventional telephone circuit.
But the democratic process leaves it open to the citizens as a whole, in periodical elections, to bless or oppose the plans or decisions of particular parties or groups or clans of politicians.
Canada has had periodical reminders of these disturbing social problems over the last several years and a lot of money has been spent in attempts to stem the loss of life.