Pascal's triangle

noun Mathematics.

a triangular arrangement of the binomial coefficients of the expansion (x + y)n for positive integral values of n.

Origin of Pascal's triangle

named after Pascal

British Dictionary definitions for pascal's triangle

Pascal's triangle

noun

a triangle consisting of rows of numbers; the apex is 1 and each row starts and ends with 1, other numbers being obtained by adding together the two numbers on either side in the row above: used to calculate probabilities

Word Origin for Pascal's triangle

C17: named after Blaise Pascal