English Dictionary

octillion

/ɒkˈtɪl.iː.ən/

num

(US, modern Britain and Australia, short scale) A thousand trillion trillion, a billion billion billion: 1 followed by 27 zeros, 10²⁷.

There are approximately 1 octillion stars in the universe.

意味（1）

(US, modern Britain and Australia, short scale) A thousand trillion trillion, a billion billion billion: 1 followed by 27 zeros, 10²⁷.

Altogether it takes seven billion billion billion (that’s 7,000,000,000,000,000,000,000,000,000, or seven octillion) atoms to make you.

意味（2）

(dated Britain and Australia, long scale) A trillion quintillion: 1 followed by 48 zeros, 10⁴⁸.