15-letter words containing ni
- jus postliminii — postliminy.
- kenai peninsula — peninsula in S Alas. between Cook Inlet & the main body of the Gulf of Alaska: c. 150 mi (241 km) long: site of one the world's largest ice fields
- keyes technique — a system of treating periodontal diseases by eliminating specific disease-related microorganisms, primarily through nonsurgical therapy that is regulated and adjusted in accordance with microscopic or cultural findings in subgingival plaque specimens.
- knickerbockered — wearing knickers.
- knife-sharpener — a kitchen implement that is used to sharpen knives
- knight bachelor — bachelor (def 3).
- knight banneret — banneret1 (def 2).
- knight errantry — the behavior, vocation, or character of a knight-errant.
- knight-errantry — the behavior, vocation, or character of a knight-errant.
- knitting needle — either of two types of instruments used for hand knitting: a straight rod of steel, wood, plastic, etc., pointed at one or both ends, used in pairs, or a single curved, flexible rod with two pointed ends.
- kommunizma peak — a mountain in SE Tajikistan in the Pamirs: the highest mountain in the former Soviet Union. Height: 7495 m (24 590 ft)
- 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)
- landini cadence — a melodic cadential formula, associated especially with the Ars Nova music of Francesco Landini, progressing from the tonic to the leading tone, then to the submediant and back to the tonic.
- las vegas night — an evening of casino-style gambling, usually sponsored by a charitable, religious, or other fund-raising organization.
- laser machining — Laser machining is a process in which material is removed from a surface using light from a laser.
- latent learning — learning mediated neither by reward nor by the expectation of reward
- leibnitz's rule — a rule for finding the derivative of the product of two functions. For a first derivative it is d(uv)/dx = udv/dx + vdu/dx
- leonid andreyev — Leonid Nikolaevich [lee-uh-nid nik-uh-lahy-uh-vich;; Russian lyi-uh-nyeet nyi-kuh-lah-yi-vyich] /ˈli ə nɪd ˌnɪk əˈlaɪ ə vɪtʃ;; Russian lyɪ ʌˈnyit nyɪ kʌˈlɑ yɪ vyɪtʃ/ (Show IPA), 1871–1919, Russian novelist, short-story writer, and playwright.
- leonid brezhnev — Leonid Ilyich [ley-uh-nid il-yich;; Russian lyi-uh-nyeet ee-lyeech] /ˈleɪ ə nɪd ˈɪl yɪtʃ;; Russian lyɪ ʌˈnyit iˈlyitʃ/ (Show IPA), 1906–82, Russian political leader: first secretary of the Soviet Communist Party 1964–66; general secretary 1966–82; president of the Soviet Union 1960–64, 1977–82.
- leptomeningitis — (pathology) inflammation of the leptomeninges.
- levi-montalcini — Rita, 1909–2012, U.S. neurologist, born in Italy: Nobel Prize 1986.
- lexical meaning — the meaning of a base morpheme.
- lichenification — a leathery hardening of the skin, usually caused by chronic irritation.
- lightning chess — rapid chess in which either each move has a fixed time allowed (usually 10 seconds) or each player is allotted a fixed time (often 5 minutes) for all his moves
- linear manifold — subspace (def 2b).
- liquid nitrogen — nitrogen in a liquid state
- lleyn peninsula — a peninsula in NW Wales between Cardigan Bay and Caernarfon Bay
- lobar pneumonia — pneumonia (def 2).
- long sweetening — liquid sweetening, as maple syrup, molasses, or sorghum.
- lons-le-saunier — a department in E France. 1952 sq. mi. (5055 sq. km). Capital: Lons-le-Saunier.
- lymphocytopenia — (pathology) An abnormally low level of lymphocytes in the blood.
- macaroni cheese — Macaroni cheese is a dish made from macaroni and cheese sauce.
- machine gunning — the act of using a machine gun
- magnanimousness — The quality of being magnanimous.
- majoritarianism — rule by a majority, especially the belief that those constituting a simple majority should make the rules for all members of a group, nation, etc.
- malay peninsula — a peninsula in SE Asia, consisting of W (mainland) Malaysia and the S part of Thailand.
- male chauvinism — the beliefs, attitudes, or behavior of male chauvinists (men who patronize, disparage, or otherwise denigrate females in the belief that they are inferior to males and thus deserving of less than equal treatment or benefit).
- 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.
- manila envelope — a large, usually brown, envelope, designed to carry documents without them having to be folded
- manual training — training in the various manual arts and crafts, as woodworking.
- marcus antonius — Mark (Marcus Antonius) 83?–30 b.c, Roman general: friend of Caesar; member of the second triumvirate and rival of Octavian.
- masculinization — Medicine/Medical. to produce certain male secondary sex characteristics in (a female).
- master mechanic — a mechanic, especially one who is thoroughly skilled, in charge of other mechanics.
- master-planning — to construct a master plan for: to master-plan one's career.
- maternity dress — a dress worn by a pregnant woman and which is designed to allow for the changes in body size which take place during pregnancy
- maternity grant — (in the British National Insurance scheme) a flat-rate benefit for pregnant women on low incomes
- maternity leave — a leave of absence for an expectant or new mother for the birth and care of the baby.
- meaninglessness — without meaning, significance, purpose, or value; purposeless; insignificant: a meaningless reply; a meaningless existence.
- mechanic's lien — a lien secured on property, as an automobile, building, or the like, by the contractor who has repaired or built it, in order to ensure payment for labor and materials.
- mechanical bank — a toy bank in which a coin is deposited by a mechanical process that is usually activated by pushing a lever.