quadrillion
/kwəˈdrɪljən/
noun
- The number equal to 1 followed by 15 zeros (1,000,000,000,000,000) in American English; in British English, 1 followed by 24 zeros.
- Scientists estimate there are quadrillions of stars in the observable universe.
- The national debt is measured in quadrillions of dollars.
- A quadrillion grains of sand would cover a vast area.
adjective
- Amounting to one quadrillion in number.
- They discovered a quadrillion-ton asteroid in the outer solar system.
- The computer can perform quadrillion calculations per second.
- The company's valuation reached a quadrillion dollars in the simulation.