15-letter words containing r, o, s, a, l
- intrazonal soil — a soil that has a well-developed profile determined by relief, parent material, age, etc
- 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
- iridocapsulitis — inflammation of the iris and the capsule of the lens.
- irrationalistic — Of or relating to irrationalism.
- irrationalities — Plural form of irrationality.
- irresolvability — The quality of being irresolvable.
- irrevocableness — Quality of being irrevocable.
- 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.
- jaques-dalcroze — Émile [French ey-meel] /French eɪˈmil/ (Show IPA), 1865–1950, Swiss composer and teacher: created eurythmics.
- jerusalem cross — a cross whose four arms are each capped with a crossbar and often with a small Greek cross centered in each quadrant.
- jerusalem thorn — See under Christ's-thorn.
- kailyard school — a school of writers describing homely life in Scotland, with much use of Scottish dialect: in vogue toward the close of the 19th century.
- kaleyard school — a group of writers who depicted the sentimental and homely aspects of life in the Scottish Lowlands from about 1880 to 1914. The best known contributor to the school was J. M. Barrie
- kangaroo island — an island in the Indian Ocean, off South Australia. Area: 4350 sq km (1680 sq miles)
- kelmscott manor — a Tudor house near Lechlade in Oxfordshire: home (1871–96) of William Morris
- keyboard skills — ability to input information using a keyboard
- kirchhoff's law — the law that the algebraic sum of the currents flowing toward any point in an electric network is zero.
- kleptoparasites — Plural form of kleptoparasite.
- kleptoparasitic — Pertaining to kleptoparasitism.
- labor relations — worker-employer relationship
- labor-intensive — requiring or using a large supply of labor, relative to capital.
- labour shortage — a shortage or insufficiency of qualified candidates for employment (in an economy, country, etc)
- labyrinthodonts — Plural form of labyrinthodont.
- 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
- lamp-post error — fencepost error
- lancaster sound — an arm of Baffin Bay, Nunavut Territory, Canada, leading W to the Parry Channel. 200 miles (320 km) long and 40 miles (64 km) wide.
- land of promise — Promised Land.
- 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.
- 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
- latter prophets — a subdivision of the books constituting the second main part of the Hebrew Bible, comprising those books which in Christian tradition are alone called the Prophets and which are divided into Major Prophets and Minor Prophets
- law of averages — a statistical principle formulated by Jakob Bernoulli to show a more or less predictable ratio between the number of random trials of an event and its occurrences.
- lazaro cardenas — Lázaro [lah-sah-raw] /ˈlɑ sɑˌrɔ/ (Show IPA), 1895–1970, Mexican general and political reformer: president 1934–40.
- learn the ropes — become familiar with sth
- learned society — an organization devoted to the scholarly study of a particular field or discipline, as modern languages, psychology, or history.
- leaves of grass — a book of poems (first edition, 1855; final edition, 1891–92) by Walt Whitman.
- legacy software — legacy system
- legal successor — a person or thing that legally follows, esp a person who succeeds another in an office
- lemon-grass oil — a yellowish to brownish oil distilled from the leaves of certain lemon grasses, especially Cymbopogon citratus, used chiefly in perfumery.
- 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.
- 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.
- lex non scripta — unwritten law; common law.
- liaison officer — a person who liaises between groups or units