Definition

A very large number that is equal to 1 followed by 48 zeros.

Example

In mathematics, a quindecillion is used to describe an extremely large quantity.

Conversation

Did you know that a quindecillion is a real number?

Really? I thought it was just a fictional term from a book.

Nope, it's actually the number equal to 10 raised to the 48th power!

That's mind-blowing! I can’t even imagine how big that is.

Synonyms & Antonyms

Root Explanation

Quindecillion is formed from "quin-" (meaning five) and "decem" (meaning ten) combined with the suffix "-illion" (used in large number naming). The word refers to the number represented by 10 to the power of 48, which is five groups of ten raised to the power of ten.

Memory Tip

Think of 'quin-' meaning five and 'decem' meaning ten, which together help you remember that a quindecillion is a very large number, specifically five sets of ten.

Visually Confused Words