quadrillion
part of speech
noun (a quadrillion, quadrillions); number
meaning for a pupil
1) A quadrillion is the number 1,000,000,000,000,000: a thousand trillion, a 1 followed by 15 zeros. tree →
2) (informal) It can mean a huge number. tree →
sense in the lessons
In maths lessons on place value and big numbers: million (6 zeros), billion (9), trillion (12), quadrillion (15). In science it describes huge counts, like ants on Earth. Phrases: a quadrillion dollars.
examples
- A quadrillion has fifteen zeros. tree →
- There may be about twenty quadrillion ants on Earth. tree →
- A quadrillion is a thousand trillions. tree →
- I've told you a quadrillion times! tree →
- Computers can do a quadrillion sums a second. tree →
- Write one quadrillion in digits: 1,000,000,000,000,000. tree →
note
In maths: 1 quadrillion = 10^15 = 1,000 trillion. In the old British system it meant 10^24, but today almost everyone uses 10^15. After a number, no -s: «two quadrillion».
Trees and pragmatics
Every meaning and example of «quadrillion» parsed by Mova, each sentence with its dependency tree and frames.