13-Letter Words Containing: H,O,R,S,O,N,_

• a mildly narcotic analgesic drug (trade name Darvon) related to methadone but less addictive

• chronic and abnormal anxiety about imaginary symptoms and ailments

• a system of beliefs and practices based on the philosophy of Rudolf Steiner; it claims to integrate the practical and psychological in child-centered education

• any of numerous velvety-skinned wormlike carnivorous animals common in tropical forests having characteristics of both arthropods and annelid worms

• A branch of pharmacology that studies medical substances that are derived from natural sources, and their recognition.

• (botany) a plant product that acts like a hormone

• of or relating to an instrument for examining the interior of the bronchi

• the production or use of theories