16-letter words containing s, m, a, l, o
- kekule's formula — the structural formula of benzene represented as a hexagonal ring with alternate single and double bonds between the carbon atoms.
- kingdom of arles — a kingdom in SE France which had dissolved by 1378: known as the Kingdom of Burgundy until about 1200
- kleptoparasitism — The parasitic theft of captured prey, nest material, etc. from animals of the same or another species.
- knapsack problem — the problem of determining which numbers from a given collection of numbers have been added together to yield a specific sum: used in cryptography to encipher (and sometimes decipher) messages.
- knights of malta — the order of Hospitalers.
- 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.
- law of parsimony — a principle according to which an explanation of a thing or event is made with the fewest possible assumptions.
- league champions — the team that has come top of the league
- leasehold reform — reform of the law relating to leasehold property
- long-tail claims — Long-tail claims are claims that are made or settled a long time after the insurance policy has expired.
- 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.
- macro-linguistic — a field of study concerned with language in its broadest sense and including cultural and behavioral features associated with language.
- 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.
- 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.
- malacostracology — (obsolete) carcinology, the study of crustaceans.
- malchus-porphyry — (Malchus) a.d. c233–c304, Greek philosopher.
- malcontentedness — not satisfied or content with currently prevailing conditions or circumstances.
- malicious damage — Malicious damage is damage caused on purpose to the property of another person.
- manganese nodule — a small irregular concretion found on deep ocean floors having high concentrations of certain metals, esp manganese
- manganese violet — a moderate to strong purple color.
- marginal costing — a method of cost accounting and decision making used for internal reporting in which only marginal costs are charged to cost units and fixed costs are treated as a lump sum
- marine biologist — scientist who studies sea life
- marseille prolog — (language) One of the two main dialects of Prolog, the other being Edinburgh Prolog. The difference is largely syntax. The original Marseille Interpreter (1973) was written in Fortran.
- 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.
- mason-dixon line — the boundary between Pennsylvania and Maryland, partly surveyed by Charles Mason and Jeremiah Dixon between 1763 and 1767, popularly considered before the end of slavery as a line of demarcation between free and slave states.
- medieval cornish — the Cornish language of the Middle Ages, usually dated from the 14th century to 1600.
- medieval history — the branch of history dealing with the Middle Ages
- medulloblastomas — Plural form of medulloblastoma.
- megakaryoblastic — (cytology) Of or pertaining to a megakaryoblast.
- memorial service — ceremony held in commemoration
- menstrual period — the bleeding from the womb that occurs approximately monthly in nonpregnant women of reproductive age
- mercator sailing — sailing according to rhumb lines, which appear as straight lines on a Mercator chart.
- microcosmic salt — sodium ammonium phosphate.
- microcrystalline — minutely crystalline; composed of microscopic crystals.
- 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.
- midair collision — a crash, such as a plane crash, that takes place in the air
- middle stone age — the Mesolithic period.
- 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
- milk of magnesia — a milky white suspension in water of magnesium hydroxide, Mg (OH) 2 , used as an antacid or laxative.
- mineral deposits — amounts of minerals that occur naturally in particular areas
- miraculous fruit — miracle fruit.
- misanthropically — In a misanthropic manner.
- misogynistically — In a misogynistic manner.