simple past tense and past participle of period

present participle of period

Designating anything from a given historical era. / Evoking, or appropriate for, a particular historical period, especially through the use of elaborate costumes and scenery.

(chiefly Canada, US) That's final; that's the end of the matter (analogous to a period ending a sentence); end of story.

(obsolete, intransitive) To come to a period; to conclude. / (obsolete, transitive, rare) To put an end to.

The process of categorizing something (e.g. history) into named periods.

(inorganic chemistry) Either of two oxyanions of iodine; any salt containing these anions

plural of period

Third-person singular simple present indicative form of periodize

present participle of periodize