regular polyhedron: any one of five solids whose faces are congruent regular polygons and whose polyhedral angles are all congruent
entity: that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
metaproterenol: a bronchodilator (trade name Alupent) used to treat asthma and emphysema and other lung conditions; available in oral or inhalant forms; side effects include tachycardia and shakiness