柯林斯詞典quaternion /kw??t??n??n/ 1. N a generalized complex number consisting of four components, x = x0 + x1i + x2j + x3k, where x, x0…x3 are real numbers and i2 = j2 = k2 = –1, ij = –ji = k, etc 四元數(shù)[maths] 返回 quaternion