Periodic is an adjective that means happening at regular intervals. Adjectives are parts of speech that describe or modify a noun or pronoun. When a town bell rings every 6 PM… See more

Periodical is mostly used as a noun referring to a magazine or newspaper published at regular intervals. Nouns are names of places, persons, things, and events. In o… See more

Periodic and periodical come from the root word period. Its primary origin is the French word périodique. It also comes from the Medieval Latin word, periodicus, meaning cyclical an… See more

Here are some examples of periodic sentences. 1. My condition is getting better. My periodic attacks have become infrequent and more tolerable. 2. I’ll never get used t… See more