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pas de deux
pas op
pas seul
Pasadena
Pascagoula
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pascal
Pascal’s law
Pascal’s triangle
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Pascal’s triangle

Pas·cal's tri·an·gle (plural Pas·cal's tri·an·gles)


noun 
Definition:
 
triangular arrangement of numbers: a triangular arrangement of numbers with a 1 at the top and at the beginning and end of each row, with each of the other numbers being the sum of the two numbers above it

[After Blaise Pascal]
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