(organic chemistry) Any of a group of hydroxyanthracene glycosides, found in cascara, that act as laxatives

(mineralogy) A monoclinic-prismatic mineral containing aluminum, hydrogen, oxygen, phosphorus, and vanadium.

That can be revived. Possible to return to life.

(inorganic chemistry) The univalent radical derived from hydroxylamine by removal of a proton; its structure is best represented as H₂NO^. <=> H₂N^.+-O⁻; dihydridooxidonitrogen