pi
noun
uk/paɪ/us/paɪ/(symbolΠ,π)[U]mathematics,science
thenumber(approximately3.14) used tocalculatethesizeofcircles
圆周率[CorU]language
the 16thletterof theGreekalphabet
(希腊语字母表的第16个字母)Mathematical symbols
- addition sign
- degree
- division sign
- equal sign
- expression
- foot
- minus
- multiplication sign
- placeholder
- plus
- point
- solidus
- subtraction sign
- value
- X, x
- Y, y
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Letters of alphabets