15-letter words containing m, o
- alpine combined — a competition for Alpine skiers in a combination of downhill and slalom races, the winner having the highest total score.
- altai mountains — a mountain system of central Asia, in W Mongolia, W China, and S Russia. Highest peak: Belukha, 4506 m (14 783 ft)
- aluminium oxide — a white or colourless insoluble powder occurring naturally as corundum and used in the production of aluminium and its compounds, abrasives, glass, and ceramics. Formula: Al2O3
- aluminosilicate — a silicate in which some of the silicon in the tetrahedral unit SiO4 has been replaced by aluminium
- aluminum borate — a white, granular, water-insoluble powder, 2Al 2 O 3 ⋅B 2 O 3 ⋅3H 2 O, used chiefly in the manufacture of crown glass.
- aluminum bronze — any of several alloys containing a high percentage of copper with from 5 to 11 percent aluminum and varying amounts of iron, nickel, manganese, and other elements.
- amador guerrero — Manuel [mah-nwel] /mɑˈnwɛl/ (Show IPA), 1833–1909, Panamanian political leader: first president of Panama 1904–08.
- amaryllidaceous — of, relating to, or belonging to the Amaryllidaceae, a family of widely cultivated flowering plants having bulbs and including the amaryllis, snowdrop, narcissus, and daffodil
- ambassadorships — Plural form of ambassadorship.
- ambrose channel — a ship channel at the entrance to New York harbor, near Sandy Hook. 7½ miles (12 km) long.
- ambrosia beetle — any of various small beetles of the genera Anisandrus, Xyleborus, etc, that bore tunnels into solid wood, feeding on fungi growing in the tunnels: family Scolytidae (bark beetles)
- ambrosian chant — the liturgical chant, established by Saint Ambrose, characterized by ornamented, often antiphonal, singing.
- ambulatory care — care given at a hospital to non-resident patients, including minor surgery and outpatient treatment
- amegakaryocytic — Characterized by a lack of megakaryocytes.
- amenity society — a voluntary society established with the purpose of preserving historic art and architecture
- american copper — a malleable, ductile, metallic element having a characteristic reddish-brown color: used in large quantities as an electrical conductor and in the manufacture of alloys, as brass and bronze. Symbol: Cu; atomic weight: 63.54; atomic number: 29; specific gravity: 8.92 at 20°C.
- american cotton — upland cotton.
- american gothic — a painting (1930) by Grant Wood.
- american legion — an association of former member of the US armed forces
- american smooth — a style of competitive ballroom dancing which incorporates elements of Latin dance
- american wigeon — a bird of North America, Anas americana, that is similar to the wigeon; the male has a white crown
- americanization — Americanization is the process by which people or countries become more and more similar to Americans and the United States.
- americanologist — a foreign expert or specialist in American cultural or political matters: a leading Americanologist in the Kremlin.
- aminoglycosides — Plural form of aminoglycoside.
- ammunition belt — a belt for carrying ammunition
- ammunition clip — a device for storing rounds of ammunition and feeding them into a weapon
- ammunition dump — a place where ammunition is left
- amphiarthrodial — a joint permitting only slight motion, as that between the vertebrae.
- amyl propionate — a colorless liquid, C 8 H 16 O 2 , having an applelike odor, used chiefly as a scent in the manufacture of flavorings and perfume.
- analog computer — a mechanical, electrical, or electronic computer that performs arithmetical operations by using some variable physical quantity, such as mechanical movement or voltage, to represent numbers
- anamorphic lens — a component in the optical system of a film projector for converting standard 35mm film images into wide-screen format
- ancylostomiasis — infestation of the human intestine with blood-sucking hookworms, causing progressive anaemia
- andromonoecious — (of a plant species) having hermaphrodite and male flowers on the same plant
- angiomyolipomas — Plural form of angiomyolipoma.
- angry young man — one of several British novelists and playwrights of the 1950s who shared a hostility towards the established traditions and ruling elements of their country
- angry young men — a group of young writers in Great Britain after WWII, bitterly critical of upper-class and middle-class values, practices, etc.
- animal behavior — behavior (def 2).
- animal charcoal — carbon obtained from the carbonization of organic tissue of animals.
- ankylostomiasis — ancylostomiasis
- anne of bohemia — 1366–94, queen consort of Richard II of England
- anne of denmark — 1574–1619, wife (from 1589) of James I of England and VI of Scotland
- annihilationism — the teaching or principle that trespassers and evildoers are completely destroyed rather than made to suffer in hell after death
- anomalistically — In an anomalistic manner; with irregularity.
- anthropometrics — the science of measuring the size and proportions of the human body (called anthropometry), especially as applied to the design of furniture and machines.
- anthropomorphic — Anthropomorphic means relating to the idea that an animal, a god, or an object has feelings or characteristics like those of a human being.
- anthropopathism — ascription of human passions or feelings to a being or beings not human, especially to a deity.
- anti-commercial — of, relating to, or characteristic of commerce.
- anti-conformist — a person who conforms, especially unquestioningly, to the usual practices or standards of a group, society, etc.
- anticipointment — (rare) The state of mind resulting from excitedly anticipating a strongly promoted product, event, film, etc, and then being disappointed when it fails to meet the expectations generated by this promotion.
- anticolonialism — the opposition to colonialism