15-letter words containing t, h, a, u, m
- heterosexualism — Discrimination of non-heterosexual people on the basis of their sexual orientation.
- hip measurement — a measurement around the hips at the level of the buttocks used in clothing and assessing general health
- home automation — the control of domestic appliances by electronically controlled systems
- homosexualities — Plural form of homosexuality.
- human condition — mortality
- human relations — the study of group behavior for the purpose of improving interpersonal relationships, as among employees.
- humanitarianism — humanitarian principles or practices.
- humanitarianist — humanitarian principles or practices.
- humidifications — Plural form of humidification.
- humphrey bogart — Humphrey (DeForest) ("Bogie"or"Bogey") 1899–57, U.S. motion-picture actor.
- hung parliament — a parliament that does not have a party with a working majority
- hydraulic motor — a motor that converts the kinetic or potential energy of a fluid into mechanical energy.
- hydrometallurgy — the technique or process of extracting metals at ordinary temperatures by leaching ore with liquid solvents.
- hypermutability — liable or subject to change or alteration.
- hypopituitarism — abnormally diminished activity of the pituitary gland, especially of the anterior lobe.
- immunopathology — the study of diseases having an immunologic or allergic basis.
- jerusalem thorn — See under Christ's-thorn.
- landeshauptmann — the head of government in an Austrian state
- largemouth bass — a North American freshwater game fish, Micropterus salmoides, having an upper jaw extending behind the eye and a broad, dark, irregular stripe along each side of the body. Compare smallmouth bass.
- lavatory humour — humour characterized by excessive mention of lavatories and the excretory functions; vulgar or scatological humour
- lethal mutation — a gene that under certain conditions causes the death of an organism.
- lithium battery — A lithium battery is a type of battery used for low-power, high-reliability, long-life applications, such as clocks, cameras and calculators.
- lithium citrate — a white crystalline solid sometimes used in the treatment of manic-depressive illness and mania. Formula: Li3C6H5O7
- lutzow-holm bay — an inlet of the Indian Ocean on the coast of Antarctica between Queen Maud Land and Enderby Land.
- magnesium light — the strongly actinic white light produced when magnesium is burned: used in photography, signaling, pyrotechnics, etc.
- mahrisch-ostrau — German name of Moravská Ostrava.
- make the rounds — having a flat, circular surface, as a disk.
- male chauvinist — a male who patronizes, disparages, or otherwise denigrates females in the belief that they are inferior to males and thus deserving of less than equal treatment or benefit.
- malpighian tube — one of a group of long, slender excretory tubules at the anterior end of the hindgut in insects and other terrestrial arthropods.
- malpighian tuft — glomerulus (def 2).
- man of the hour — a man who is honored by a group.
- manasseh cutler — Manasseh, 1742–1823, U.S. Congregational clergyman and scientist: promoted settlement of Ohio; congressman 1801–05.
- manual alphabet — a set of finger configurations corresponding to the letters of the alphabet, used by the deaf in fingerspelling.
- marathon runner — person who runs in a marathon race
- mare erythraeum — (Red Sea) an area in the southern hemisphere of Mars, appearing as a dark region when viewed telescopically from the earth.
- matta echaurren — Roberto Antonio Sebastián [raw-ver-taw ahn-taw-nyaw se-vahs-tyahn] /rɔˈvɛr tɔ ɑnˈtɔ nyɔ ˌsɛ vɑsˈtyɑn/ (Show IPA), 1911–2002, Chilean painter.
- maundy thursday — the Thursday of Holy Week, commemorating Jesus' Last Supper and His washing of the disciples' feet upon that day.
- microearthquake — an earthquake of very low intensity (magnitude of 2 or less on the Richter scale).
- mohawk hair cut — a member of a tribe of the most easterly of the Iroquois Five Nations, formerly resident along the Mohawk River, New York.
- montes riphaeus — a mountain range in the third quadrant of the visible face of the moon.
- most honourable — a courtesy title applied to marquesses and members of the Privy Council and the Order of the Bath
- mother language — a language from which another language is descended; parent language.
- mount suribachi — a volcanic hill in the Volcano Islands, on Iwo Jima: site of a US victory (1945) over the Japanese in World War II
- mouthwateringly — In a mouthwatering manner.
- multi-channeled — the bed of a stream, river, or other waterway.
- multiphase flow — Multiphase flow is a type of flow that involves more than one fluid, for example a liquid and a gas, or two liquids that do not mix.
- multiwavelength — Involving, or composed of, multiple wavelengths.
- multnomah falls — a waterfall on Multnomah Creek in NW Oregon, E of Portland. 611 feet (186 meters) high.
- naismith's rule — a rule of thumb for calculating the time needed for a climbing expedition, allowing 1 hour for every 3 miles of distance plus 1 hour for every 2000 feet of height
- neo-lutheranism — a movement begun in the 19th century in Germany and Scandinavia to revive the orthodox principles, beliefs, and practices of the Lutheran Church.