(mineralogy) An isometric-hextetrahedral gray white mineral containing arsenic and nickel.

(pharmacology) A semisynthetic steroidal progestogen, used as an oral contraceptive in combination with ethinylestradiol.

(pharmacology) A synthetic estrogen.

(medicine) A condition caused by infection with Dientamoeba fragilis, a gastrointestinal parasite, leading to diarrhea, abdominal pain, and failure to thrive in children.

(organic chemistry, especially in combination) Any univalent radical derived from an dienoic acid by loss of a hydroxyl group.

(organic chemistry, especially in combination) Any macrolide derived from a diene

(organic chemistry) Related to, or derived from a diene

plural of dienol

Relating to a dienoic acid or its derivatives

(organic chemistry) An aldehyde derived from a diene