19-letter words containing h, u, m, i
- synchronous machine — an alternating-current machine in which the average speed of normal operation is exactly proportional to the frequency of the system to which it is connected.
- tehachapi mountains — a transverse (E–W) mountain range in S central California. Highest peak, Double Mountain, 7982 feet (2433 meters).
- the compassion club — (in Canada) a nonprofit organization that provides uncontaminated cannabis for medical purposes and natural therapies in a safe environment
- the millennium dome — a dome-shaped structure in Greenwich, London, built to house an exhibition to celebrate the millennium in 2000
- thermal equilibrium — the relationship between two systems connected only by a diathermic wall.
- three-martini lunch — an expensive lunch enjoyed by businessmen during the workday which is often accompanied by drinking
- thrust augmentation — an increase in the thrust of a jet or rocket engine, as by afterburning or reheating.
- to change your mind — If you change your mind, or if someone or something changes your mind, you change a decision you have made or an opinion that you had.
- trisodium phosphate — sodium phosphate (def 3).
- tuamotu archipelago — a group of about 80 coral islands in the S Pacific, in French Polynesia. Pop: 15 973 (2002; including the Gambier Islands). Area: 860 sq km (332 sq miles)
- ultramicrochemistry — the branch of microchemistry dealing with minute quantities of material weighing one microgram or less.
- vesicular exanthema — an infectious viral disease of swine, characterized by blisters on the snout, mucous membranes, and feet.
- von neumann machine — the stored-program computer developed by John von Neumann and his associates
- welsh mountain pony — a small sturdy but graceful breed of pony used mostly for riding, originally from Wales