Third-person singular simple present indicative form of periodize

present participle of periodize

simple past tense and past participle of periodize

Alternative form of periodic comet

Any of certain species of cicadas, especially in genus Magicicada, which are known for their 17- and 13-year life-cycles, during most of which they develop underground, emerging in large numbers for a short time as large and audible adults, all those emerging in a year constituting a brood.

plural of e-periodical

A periodical published in electronic format to be read on a computer or similar device.

plural of periodical comet

plural of periodical cicada

(chemistry) A tabular chart of the chemical elements according to their atomic numbers so that elements with similar properties are in the same group (column).