periodical

What the Tea Party needed was its own periodical, he concluded.

His paper commenced in March, 1803, in the 15th year of the colony, and was the first Australian periodical.

The celebrated Kepler discovered his canon for the periodical motion of the planets.

And at the foot of the same page there is a note in which it is stated that this "was probably some periodical paper of 1767."

They had also periodical conferences in London for a week at a time, at which they formulated a common policy.

He often took part in debates in parliament, and was a frequent contributor to periodical literature.