16-letter words containing m, a, u, s, o
- kekule's formula — the structural formula of benzene represented as a hexagonal ring with alternate single and double bonds between the carbon atoms.
- kolyma mountains — a mountain range in NE Siberia, Russia, near the Sea of Okhotsk, rising to over 6000 feet (1830 meters).
- kunlun mountains — mountain system in W China, between Tibet & Xinjiang: highest peak, c. 25,300 ft (7,711 m)
- latissimus dorsi — a broad, flat muscle on each side of the midback, the action of which draws the arm backward and downward and rotates the front of the arm toward the body.
- league champions — the team that has come top of the league
- lourenco marques — former name of Maputo.
- luminosity class — a classification of stars of a given spectral type according to their luminosity, breaking them down into dwarfs, giants, and supergiants.
- macpherson strut — an automobile suspension-system component that consists of a strut combined with a spring and shock absorber and connects the wheel to the frame of the vehicle.
- macro-linguistic — a field of study concerned with language in its broadest sense and including cultural and behavioral features associated with language.
- macroinstruction — macro (def 5).
- macrolinguistics — a field of study concerned with language in its broadest sense and including cultural and behavioral features associated with language.
- mad-dog skullcap — a North American skullcap, Scutellaria lateriflora, having underground stems and one-sided clusters of blue to white flowers.
- magnetoacoustics — (used with a singular verb) the branch of physics studying the effects of magnetism on acoustics or their interaction.
- mail-order house — a retail firm that conducts its business by receiving orders and shipping its merchandise through the mail and that supplies its customers with catalogs, circulars, etc.
- make an issue of — If you make an issue of something, you try to make other people think about it or discuss it, because you are concerned or annoyed about it.
- malchus-porphyry — (Malchus) a.d. c233–c304, Greek philosopher.
- malicious damage — Malicious damage is damage caused on purpose to the property of another person.
- man of the house — the male head of a household.
- manganese nodule — a small irregular concretion found on deep ocean floors having high concentrations of certain metals, esp manganese
- manhood suffrage — the right of adult male citizens to vote
- marriage customs — the acts that are traditionally done in connection with a marriage
- marsh cinquefoil — a variety of cinquefoil, Potentilla palustris, that grows in marshy areas
- marsupialization — (surgery) The surgical technique of cutting a slit into a cyst and suturing its edges to form a continuous surface from the exterior to the interior of the cyst, allowing it to drain freely.
- mass destruction — devastation on a large scale
- matter of course — an event or result that is natural or inevitable
- matter-of-course — occurring or proceeding in or as if in the logical, natural, or customary course of things; expected or inevitable.
- measured daywork — a system of wage payment, usually determined by work-study techniques, whereby the wage of an employee is fixed on the understanding that a specific level of work performance will be maintained
- medulloblastomas — Plural form of medulloblastoma.
- menstrual period — the bleeding from the womb that occurs approximately monthly in nonpregnant women of reproductive age
- metes and bounds — the precisely described boundary lines of a parcel of land, as found in a deed
- microencapsulate — (transitive) To embed by means of microencapsulation.
- microvasculature — the system of tiny blood vessels, including capillaries, venules, and arterioles, that perfuse the body's tissues.
- migratory locust — any of several locusts that migrate in great swarms, especially Locusta migratoria, of Africa and Asia.
- military honours — ceremonies performed by troops in honour of royalty, at the burial of an officer, etc
- miraculous fruit — miracle fruit.
- miscommunication — Failure to communicate adequately.
- misconfiguration — An incorrect or inappropriate configuration.
- mispronunciation — (uncountable) The act of mispronouncing.
- mistletoe cactus — a tropical, branched cactus, Rhipsalis baccifera (or cassutha), having cylindrical stems and mistletoelike fruit.
- modern languages — languages currently spoken
- montagu's blenny — a small blenny, Coryphoblennius galerita, found among rocks in shallow water
- montes apenninus — a mountain range in the first and second quadrants of the visible face of the moon, forming the SE border of Mare Imbrium: about 600 miles (970 km) long.
- month of sundays — a long time
- monumental mason — a person who makes gravestones and suchlike
- mortgagee clause — a clause attached to a fire-insurance policy for protecting a mortgagee against loss or damage.
- mossbauer effect — the phenomenon in which an atom in a crystal undergoes no recoil when emitting a gamma ray, giving all the emitted energy to the gamma ray, resulting in a sharply defined wavelength.
- mothering sunday — Laetare Sunday.
- mount erymanthus — a mountain in SW Greece, in the NW Peloponnese. Height: 2224 m (7297 ft)
- mount washington — a mountain in N New Hampshire, in the White Mountains: the highest peak in the northeast US; noted for extreme weather conditions. Height: 1917 m (6288 ft)
- mourne mountains — a mountain range in SE Northern Ireland. Highest peak: Slieve Donard, 853 m (2798 ft)