trillion (long scale)
numeralmasculinetécnico/tɾiˈljɐ̃w̃/low
tri·li·ão
Definition
Cardinal numeral representing the number 1,000,000,000,000,000,000, or 10^18 (a million billion). In the long scale system used in most European countries.
In US English and Brazilian Portuguese, 'trillion' is 10^12 (a thousand billion). The pt-PT 'trilião' corresponds to the English 'quintillion' in the short scale.
The estimated number of stars in the observable universe is in the trillions.
A trillion seconds is about 31.7 million years.
Common collocations
one trilliontrillions ofin the trillions
Etymology
Do francês 'trillion', com base no latim 'tres' (três) e no sufixo '-ilhão', por analogia com 'milhão' e 'bilião'.