How to pronounce pi
American English pronunciation
PY
- IPA
- /ˈpaɪ/
- Syllables
- PY (1 syllable)
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What pi means
The number, about 3.14, linking a circle's width and rim
In a sentence: To find the distance around the pizza, multiply its width by pi.
Where it comes from: It is the name of a Greek letter. It was apparently picked because it is the first letter of the Greek word for the edge around a circle, and it was first used this way in 1706.
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