Definition

A very large number equal to one followed by thirty zeros.

Example

In mathematics, a nonillion is often used to describe quantities that are extremely large.

Conversation

Did you know that a nonillion is a real number?

Really? I had no idea there were numbers that big!

Yeah, it's equal to a billion billion!

That's insane! I can't even imagine that many.

Synonyms & Antonyms

Root Explanation

Nonillion → It is formed from "non-" (meaning nine) and "-illion" (a suffix used in large numbers derived from the Latin "mille", meaning thousand). The word "nonillion" refers to a number that is a thousand raised to the ninth power, or one followed by 30 zeros.

Memory Tip

Think of 'nine' ('non-') and 'thousand' ('-illion') to remember that a nonillion is a huge number, specifically a thousand raised to the ninth power.

Visually Confused Words