"Polyhydric" Natural Recordings by Native Speakers
Having many water molecules. Describing a compound consisting of many water molecules that can donate hydrogen atoms by making a hydrogen bond (H-bond) with other water molecules.
A naturally occurring mineral composed of ammonium, calcium potassium sulfate potassium sulfate, with the chemical formula (NH4)2K2Ca(SO4)22H2O.
A polyhedron is a three-dimensional (3D) shape with flat faces, straight edges, and sharp corners or vertices. In other words, it is a solid object bounded by flat polygonal faces. Examples include a cube, pyramid, prism, and sphere.Note: The term "polyhedron" comes from the Greek words "poly" (many) and "hedron" (face).