octillion

Definition

A thousand trillion trillion, a billion billion billion: 1 followed by 27 zeros, 10²⁷.

Etymology

From French octillion. By surface analysis, oct- (“eight”) + -illion.

Example Sentences

• "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."
• "We humans are so stuck in the middle of the cosmic scales — in average height, one-hundredth of one-septillionth (10^-24) the size of the observable universe, and with typical life spans of a couple octillion attoseconds. And an attosecond is an eternity compared with the lifetime of the elusive Higgs boson, a subatomic particle that exists for one-thousandth of an attosecond before decaying."