15-letter words containing a, e, r, i, l, o
- introspectional — Of or relating to introspection.
- inversion layer — a layer of the atmosphere in which there is a temperature inversion, with the layer tending to prevent the air below it from rising, thus trapping any pollutants that are present.
- involuntariness — The state of being involuntary; unwillingness; automatism.
- ionospherically — by the ionosphere
- irrationalities — Plural form of irrationality.
- irreconcileable — Alternative spelling of irreconcilable.
- irreformability — the state or condition of being irreformable
- irresolvability — The quality of being irresolvable.
- irrevocableness — Quality of being irrevocable.
- irritable colon — any combination of common disturbances of the bowel, as diarrhea or constipation, occurring with abdominal pain, sometimes accompanied by psychological stress. Abbreviation: IBS.
- irvine dataflow — (language) (Always called "Id") A non-strict, single assignment language and incremental compiler developed by Arvind and Gostelow and used on MIT's Tagged-Token Dataflow Architecture and planned to be used on Motorola's Monsoon. See also Id Nouveau.
- island grey fox — a similar and related animal, U. littoralis, inhabiting islands off North America
- isolated camera — a television camera used to isolate a subject, part of a sports play, etc., for instant replay.
- isoperimetrical — having equal perimeters
- isothermal-line — Meteorology. a line on a weather map or chart connecting points having equal temperature.
- javelin thrower — a person who throws a javelin
- journal bearing — a plain cylindrical bearing to support a shaft or axle
- keyboard skills — ability to input information using a keyboard
- kilovolt-ampere — an electrical unit, equal to 1000 volt-amperes. Abbreviation: kVA, kva.
- kleptoparasites — Plural form of kleptoparasite.
- kleptoparasitic — Pertaining to kleptoparasitism.
- knight bachelor — bachelor (def 3).
- labor relations — worker-employer relationship
- labor-intensive — requiring or using a large supply of labor, relative to capital.
- lactovegetarian — Also called lactarian. a vegetarian whose diet includes dairy products.
- ladrone islands — a group of 15 small islands in the Pacific, E of the Philippines: divided into Guam, a possession of the U.S., and the North Marianas, formally under U.S. trusteeship. 453 sq. mi. (1127 sq. km).
- lake miraflores — an artificial lake in Panama, in the S Canal Zone of the Panama Canal
- lamino-alveolar — articulated with the blade of the tongue approaching the alveolar ridge.
- land of promise — Promised Land.
- laryngectomized — having had one's larynx surgically removed by undergoing a laryngectomy
- laser ring gyro — a system of aerial navigation in which rotation is sensed by the measuring of the frequency shift of laser light in a closed circuit in a horizontal plane
- lateral moraine — a moraine formed at the side of a glacier.
- lateran council — any of the five ecumenical councils (1123, 1139, 1179, 1215, 1512–17) held in the Lateran Palace.
- latino-american — an American who is of Latin-American or Spanish origin
- lay a finger on — to harm
- 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.
- leaf primordium — a group of cells that will develop into a leaf, seen as small bulges just below the shoot apex.
- lean production — Lean production is the same as lean manufacturing.
- learned society — an organization devoted to the scholarly study of a particular field or discipline, as modern languages, psychology, or history.
- lemon-grass oil — a yellowish to brownish oil distilled from the leaves of certain lemon grasses, especially Cymbopogon citratus, used chiefly in perfumery.
- 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.
- leptosporangium — (botany) A sporangium formed from a single epidermal cell.
- lesser dionysia — (in ancient Attica) the wine feasts, processions, and dramatic performances composing one of the festivals honoring Dionysus, held in the middle of December.
- lex non scripta — unwritten law; common law.
- lexicographical — the writing, editing, or compiling of dictionaries.
- liaison officer — a person who liaises between groups or units
- liberalizations — Plural form of liberalization.
- library edition — an edition of a book prepared for library use, especially with a library binding.
- linear collider — a particle accelerator in which two beams of particles are made to collide
- linear equation — a first-order equation involving two variables: its graph is a straight line in the Cartesian coordinate system.