pi (B2)
noun
Pronunciation: /paɪ/
Definition
The ratio of a circle's circumference to its diameter, approximately equal to 3.14159. It is represented by the Greek letter π.
Examples
The value of pi is an irrational number, meaning its decimal representation never ends or repeats.
Calculating the area of a circle requires using pi in the formula.
Mathematicians have calculated pi to trillions of decimal places.
How to Use pi
- pi to decimal places (collocation)
- The number of digits after the decimal point used to represent pi. — "They calculated pi to a million decimal places."
Synonyms of pi
Words with a similar meaning to pi:
Antonyms of pi
Words with the opposite meaning to pi:
Browse the full Anaversity dictionary