plural of quadrille paper

The 99th sura (chapter) of the Qur'an.

(ethics, idiomatic) It takes two or more people to cause a quarrel; one cannot blame an argument entirely on the other side.

Alternative form of it takes two to make a quarrel

plural of quadratic form

(mathematics, number theory, algebra) A homogeneous polynomial of degree 2 in a given number of variables.

plural of quadratic residue

(number theory, modular arithmetic) For given positive integer n, any integer that is congruent to some square m² modulo n.

The potential ability of quantum computers to solve problems that are intractable for classical computers.

An edible clam native to the North Atlantic Ocean, Arctica islandica