Definition

A very large number that is equal to one followed by forty-two zeros.

Example

In the game, the total score reached tredecillion points, which is an unimaginably high number.

Conversation

Did you know a tredecillion is a real number?

No way! How big is that?

It's equal to 10 to the 42nd power, which is massive!

That's mind-blowing! I can’t even imagine that much.

Synonyms & Antonyms

Root Explanation

Tredecillion is formed from "tredecim" (meaning thirteen) and the suffix "-illion" (used in large number naming). The word refers to the number that is one followed by 39 zeros, which is the thirteenth power of a thousand.

Memory Tip

Think of 'tredecim' meaning thirteen, and remember that 'tredecillion' represents a number that is one followed by thirteen groups of three zeros.

Visually Confused Words