Definition

A hollow space or area inside something, such as in the body or in a tooth.

Example

The dentist found a cavity in my tooth that needed to be filled.

Conversation

I went to the dentist yesterday and found out I have a cavity.

Oh no! Did it hurt?

Not really, but I need to get it filled soon.

Make sure to take care of it, or it could get worse!

Synonyms & Antonyms

Root Explanation

Cavity → It is formed from "cavus" (meaning hollow) in Latin, combined with the suffix "-ity" (meaning the state or condition of). The word "cavity" refers to the state of being hollow or a hollow space.

Memory Tip

Think of something that is 'hollow' ('cavus') — that's why a cavity is a hollow space.

Visually Confused Words