plural of Klein quadric

(mathematics) The lines of a 3-dimensional projective space, S, can be viewed as points of a 5-dimensional projective space, T. In that 5-space, the points that represent each line in S lie on a hyperbolic quadric, Q, known as the Klein quadric.

plural of quadricriticoid

(mathematics, obsolete)

(rare) To divide into four sections

simple past tense and past participle of quadrichotomize

divided into four sections

Having four heads.

Alternative spelling of quadricolor

Alternative spelling of quadricolored