19-letter words containing m, u, l, i, o, n
- republic of vietnam — the name (from 1955–75) for South Vietnam, as an independent republic, following the division of the country in 1954 into North Vietnam and South Vietnam
- reticular formation — a network of neurons in the brainstem involved in consciousness, regulation of breathing, the transmission of sensory stimuli to higher brain centers, and the constantly shifting muscular activity that supports the body against gravity.
- semibituminous coal — a coal intermediate between bituminous and anthracite coal in hardness, yielding the maximum heat of any ordinary steam coal.
- semiconductor laser — a laser in which a semiconductor is the light-emitting source, used in many medical procedures.
- seminiferous tubule — any of the coiled tubules of the testis in which spermatozoa are produced.
- simulation analysis — (language, simulation) (SIMAN) A simulation language, especially for manufacturing systems, developed by C. Dennis Pegden in 1983.
- sugar loaf mountain — a mountain in SE Brazil in Rio de Janeiro, at the entrance to Guanabara Bay. 1280 feet (390 meters).
- sulphonium compound — any one of a class of salts derived by the addition of a proton to the sulphur atom of a thiol or thio-ether thus producing a positive ion (sulphonium ion)
- suspensory ligament — any of several tissues that suspend certain organs or parts of the body, especially the transparent, delicate web of fibrous tissue that supports the crystalline lens.
- 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
- torricellian vacuum — the vacuum at the top of a Torricellian tube
- total communication — the theory or practice of incorporating all means of communication, including speech, speechreading, auditory training, sign language, and writing, in the education of deaf or hearing-impaired children.
- vacuum distillation — a process of distillation employing a vacuum that by lowering the pressure on a liquid allows volatilization at a lower temperature than normal.
- valencian community — region comprising three provinces of E Spain: 8,998 sq mi (23,305 sq km); pop. 4,029,000; cap. Valencia
- velocity modulation — the modulation in velocity of a beam of electrons or ions caused by passing the beam through a high-frequency electric field, as in a cavity resonator
- victor emmanuel iii — 1869–1947, king of Italy 1900–46.
- vinculum matrimonii — the bond of matrimony.
- volumetric analysis — determination of the concentration, by volume, of a substance in a solution, as by titration.
- welsh mountain pony — a small sturdy but graceful breed of pony used mostly for riding, originally from Wales
- wide-angle glaucoma — open-angle glaucoma. See under glaucoma.
- yablonovy mountains — a mountain range in Siberia. Highest peak: 1680 m (5512 ft)