(organic chemistry) The diphenol para-dihydroxy benzene, used as a mild reducing agent in photographic developing; isomeric with catechol and resorcinol.
hyperquadric
hyperquadric
noun
(mathematics) A particular generalization of a superquadric
quadricycler
quadrihybrid
quadrihybrid
noun
(biology) A hybrid whose parents differ by four pairs of contrasting Mendelian characters.