1. plural of trillion; the numbers 1,000,000,000,000 and above
2. extremely large numbers or quantities
Usage: informal

Examples

• The national debt has reached several trillions of dollars.
• There are trillions of stars in the observable universe.
• The company’s market value is measured in trillions.
• Scientists estimate trillions of bacteria live in the human body.
• The government spent trillions on infrastructure projects.
• Trillions of calculations are performed by modern computers every second.