(organic chemistry) Any of several organic compounds that can be viewed as derivatives of an anthraquinone through replacement of one hydrogen atom by a hydroxyl group.
hyperquadric
hyperquadric
noun
(mathematics) A particular generalization of a superquadric
quadrihybrid
quadrihybrid
noun
(biology) A hybrid whose parents differ by four pairs of contrasting Mendelian characters.
quadriphyllous
quadriphyllous
adj
(botany) Having four leaves
sesquihydrate
sesquihydrate
noun
(chemistry) A hydrate whose solid contains three molecules of water of crystallization per two molecules.