Quintillions Meaning in English
word · lemma: quintillion
Definition
'Quintillions' means extremely large numbers; in the US, it equals 1 followed by 18 zeros (1,000,000,000,000,000,000), and in some other countries, it can mean 1 followed by 30 zeros. The word is usually used to describe huge amounts, such as of stars or molecules.
Usage & Nuances
Used almost exclusively for very large, often theoretical quantities (astronomy, science, finance). In writing, it's usually plural because practical contexts rarely need this massive number. In the US ('short scale'), a quintillion is 10^18; in Europe ('long scale'), it can mean 10^30—context matters.
Example Sentences
There are quintillions of stars in the universe.
basic
Scientists estimate there are quintillions of molecules in a glass of water.
basic
Earth is about 4.5 quintillions of seconds old.
basic
It’s impossible to count to quintillions—you’d never finish in a lifetime!
natural
My calculator can’t even display numbers as big as quintillions.
natural
People say there are more than quintillions of grains of sand on all the beaches on Earth.
natural