15-letter words containing m, t
- kamikaze packet — Christmas tree packet
- karl-marx-stadt — former name (1953–90) of Chemnitz.
- katathermometer — a thermometer used to measure the cooling power of ambient air
- kelmscott manor — a Tudor house near Lechlade in Oxfordshire: home (1871–96) of William Morris
- keratoacanthoma — (pathology) A common low-grade malignancy of the skin.
- kernmantel rope — a rope made of many straight nylon fibres within a plaited sheath; used for its tensile strength, freedom from twisting, and elasticity
- keystone comedy — a short film of the silent era, often featuring the Keystone Kops.
- kilovolt-ampere — an electrical unit, equal to 1000 volt-amperes. Abbreviation: kVA, kva.
- kingsford-smith — Sir Charles (Edward). 1897–1935, Australian aviator and pioneer (with Charles Ulm) of trans-Pacific and trans-Tasman flights
- l'istesso tempo — (of a musical passage or section following a change in time signature) at the same tempo as before.
- lake mistassini — a lake in E Canada, in N Quebec: the largest lake in the province; drains through the Rupert River into James Bay. Area: 2175 sq km (840 sq miles). Length: about 160 km (100 miles)
- lamb's-quarters — the pigweed, Chenopodium album.
- lambda particle — any of a family of neutral baryons with strangeness −1 or charm +1, and isotopic spin 0. The least massive member of the lambda family was the first strange particle to be discovered. Symbol: Λ.
- laminated glass — Laminated glass is safety glass in which a transparent plastic film is placed between plates of glass.
- lamp-post error — fencepost error
- landeshauptmann — the head of government in an Austrian state
- laptop computer — portable computer
- 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.
- laryngectomized — having had one's larynx surgically removed by undergoing a laryngectomy
- laser chemistry — the use of a laser to initiate and control chemical reactions.
- laser treatment — any of various medical and surgical techniques using lasers, such as the removal of small growths
- lateral moraine — a moraine formed at the side of a glacier.
- latino-american — an American who is of Latin-American or Spanish origin
- lavatory humour — humour characterized by excessive mention of lavatories and the excretory functions; vulgar or scatological humour
- law of the mean — the theorem that for a function continuous on a closed interval and differentiable on the corresponding open interval, there is a point in the interval such that the difference in functional values at the endpoints is equal to the derivative evaluated at the particular point and multiplied by the difference in the endpoints.
- law-enforcement — of police, anti-crime
- leadwort family — the plant family Plumbaginaceae, characterized by shrubs and herbaceous plants of seacoasts and semiarid regions, having basal or alternate leaves, spikelike clusters of tubular flowers, and dry, one-seeded fruit, and including leadwort, sea lavender, statice, and thrift.
- legion of merit — a decoration ranking below the Silver Star and above the Distinguished Flying Cross, awarded to U.S. and foreign military personnel for exceptionally meritorious conduct in the performance of outstanding services to the U.S.
- leptomeningitis — (pathology) inflammation of the leptomeninges.
- leptosporangium — (botany) A sporangium formed from a single epidermal cell.
- lethal mutation — a gene that under certain conditions causes the death of an organism.
- levant wormseed — the dried, unexpanded flower heads of a wormwood, Artemisia cina (Levant wormseed) or the fruit of certain goosefoots, especially Chenopodium anthelminticum (or C. ambrosioides), the Mexican tea or American wormseed, used as an anthelmintic drug.
- levi-montalcini — Rita, 1909–2012, U.S. neurologist, born in Italy: Nobel Prize 1986.
- liability limit — the highest amount that a liability insurer will pay on a single claim.
- like grim death — as if afraid for one's life
- limited company — a company in which the shareholders cannot be assessed for debts of the company beyond the sum they still have invested in the company.
- limited edition — an edition, as of a book or lithograph, limited to a specified small number of copies.
- limited partner — special partner.
- limiting factor — Physiology. the slowest, therefore rate-limiting, step in a process or reaction involving several steps.
- line management — those managers in an organization who are responsible for the main activity or product of the organization, as distinct from those, such as transport, accounting, or personnel, who provide services to the line management
- linear argument — (theory) A function argument which is used exactly once by the function. If the argument is used at most once then it is safe to inline the function and replace the single occurrence of the formal parameter with the actual argument expression. If the argument was used more than once this transformation would duplicate the argument expression, causing it to be evaluated more than once. If the argument is sure to be used at least once then it is safe to evaluate it in advance (see strictness analysis) whereas if the argument was not used then this would waste work and might prevent the program from terminating.
- linear momentum — force or speed of movement; impetus, as of a physical object or course of events: The car gained momentum going downhill. Her career lost momentum after two unsuccessful films.
- linguistic form — any meaningful unit of speech, as a sentence, phrase, word, morpheme, or suffix.
- 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
- lithochromatics — the art or process of painting in oil on stone and taking impressions from the result
- little bluestem — a North American forage grass, Schizachyrium scoparium, having wide often bluish blades.
- little magazine — a magazine, usually small in format and of limited circulation, that publishes literary works.
- little missouri — a river in the NW United States, rising in NE Wyoming and flowing NE into the Missouri through N Dakota. 560 miles (900 km) long.
- liver complaint — an unspecified health problem concerning the liver