Definition

Able to be counted or listed in a way that matches each item with a positive whole number.

Example

The set of natural numbers is denumerable, meaning it can be counted one by one.

Conversation

Have you ever heard of denumerable sets in math?

Yeah, I think they’re the ones that can be counted, right?

Exactly! It’s interesting how some infinities are actually denumerable.

I know, it's amazing to think about different sizes of infinity!

Synonyms & Antonyms

Root Explanation

Denumerable → It is formed from "de-" (meaning down or away) and "numerare" (meaning to count). The word "denumerable" refers to a set that can be counted or listed, indicating that its elements can be enumerated or counted down one by one.

Memory Tip

Think of 'counting down' ('de-') the elements of a set, which is what denumerable means.

Visually Confused Words