(chiefly of a crystal) Having axes of approximately the same dimensions.
hydroxyanthraquinone
hydroxyanthraquinone
noun
(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.
quadratrix
quadratrix
noun
(mathematics) A curve having ordinates which are a measure of the area (or quadrature) of another curve.
quadrioxalate
sesquioxide
sesquioxide
noun
(chemistry) Any oxide containing three oxygen atoms for every two atoms of another element.
