21-letter words containing a, c, e, n
- insulin shock therapy — a former treatment for mental illness, especially schizophrenia, employing insulin-induced hypoglycemia as a method for producing convulsive seizures.
- insurance certificate — a certificate that shows that a person or organization has insurance
- insurance underwriter — sb who assesses eligibility for insurance policies
- integer specbaseratio — SPECbase_int92
- intellectual property — Law. property that results from original creative thought, as patents, copyright material, and trademarks.
- intentional community — a community designed and planned around a social ideal or collective values and interests, often involving shared resources and responsibilities.
- internal iliac artery — iliac artery (def 3).
- intracoastal waterway — a mostly inland water route, partly natural and partly artificial, extending 1550 miles (2500 km) along the Atlantic coast from Boston to Florida Bay (Atlantic Intracoastal Waterway) and 1116 miles (1800 km) along the Gulf coast from Carrabelle, Fla., to Brownsville, Tex. (Gulf Intracoastal Waterway) constructed to protect small craft from the hazards of the open sea.
- irish republican army — an underground Irish nationalist organization founded to work for Irish independence from Great Britain: declared illegal by the Irish government in 1936, but continues activity aimed at the unification of the Republic of Ireland and Northern Ireland. Abbreviation: IRA, I.R.A.
- isopropylideneacetone — mesityl oxide.
- java native interface — (programming) (JNI) A native programming interface for Java that allows Java code running inside a Java Virtual Machine to interoperate with applications and libraries written in other programming languages such as C, C++ and assembly language.
- jean jacques rousseau — Henri [ahn-ree] /ɑ̃ˈri/ (Show IPA), ("Le Douanier") 1844–1910, French painter.
- jobseeker's allowance — (in Britain) a National Insurance or social security payment for unemployed people; replaced unemployment benefit in 1996
- johann sebastian bach — Johann Sebastian [yoh-hahn si-bas-chuh n;; German yoh-hahn zey-bahs-tee-ahn] /ˈyoʊ hɑn sɪˈbæs tʃən;; German ˈyoʊ hɑn zeɪˈbɑs tiˌɑn/ (Show IPA), 1685–1750, German organist and composer.
- joint chiefs of staff — the chiefs of staff of the army and the air force, the commandant of the marine corps, and the chief of naval operations, together with a chairman selected from one of the branches of the armed forces, serving as the principal military advisory body to the president, the National Security Council, and the secretary of defense.
- keep one's nose clean — the part of the face or facial region in humans and certain animals that contains the nostrils and the organs of smell and functions as the usual passageway for air in respiration: in humans it is a prominence in the center of the face formed of bone and cartilage, serving also to modify or modulate the voice.
- keyboard send receive — (hardware) (KSR) Part of a designation for a hard-copy terminal, manufactured by Teletype Corporation. The KSR range were lower cost versions of the ASR models.
- kicking and screaming — If you say that someone is dragged kicking and screaming into a particular course of action, you are emphasizing that they are very unwilling to do what they are being made to do.
- laboratory technician — sb who assists in a laboratory
- lactate dehydrogenase — an enzyme that catalyzes the interconversion of pyruvate and lactate, an important step in carbohydrate metabolism: elevated serum levels indicate injury to kidney, skeletal muscle, or heart muscle. Abbreviation: LDH.
- lafcadio's adventures — French Les Caves du Vatican. a novel (1914) by André Gide.
- large hadron collider — a particle accelerator at the European Laboratory for Particle Physics near Geneva, containing a circular underground tunnel 27km (16.8 miles) in circumference, around which two streams of hadrons are sent in opposite directions before being brought together in a high-energy collision
- lateral magnification — the ratio of the height of the image to the height of the object in a lens or other optical system.
- launch control center — any of a number of underground U.S. command facilities prepared to launch land-based missiles in event of war.
- law of thermodynamics — any of three principles variously stated in equivalent forms, being the principle that the change of energy of a thermodynamic system is equal to the heat transferred minus the work done (first law of thermodynamics) the principle that no cyclic process is possible in which heat is absorbed from a reservoir at a single temperature and converted completely into mechanical work (second law of thermodynamics) and the principle that it is impossible to reduce the temperature of a system to absolute zero in a finite number of operations (third law of thermodynamics)
- learning difficulties — difficulty experienced in reaching the average standard of people of the same age group as regards intellectual and cognitive skills and performance
- least common multiple — lowest common multiple.
- least significant bit — (data) (LSB) Bit zero, the bit of a binary number giving the number of ones, the last or rightmost bit when the number is written in the usual way.
- leave sb in the lurch — If someone leaves you in the lurch, they go away or stop helping you at a very difficult time.
- level of significance — significance level.
- lexical decision task — an experimental task in which subjects have to decide as fast as possible whether a given letter string is a word
- like a shag on a rock — abandoned and alone
- line of communication — a means by which information may be transmitted from one person to another
- logic design language — (language) A language for computer design.
- lucius annaeus seneca — Lucius Annaeus [uh-nee-uh s] /əˌni əs/ (Show IPA), c4 b.c.–a.d. 65, Roman philosopher and writer of tragedies.
- luck was on sb's side — If you say that luck was on someone's side, you mean that they succeeded in something by chance as well as by their own efforts or ability.
- macintosh file system — (file system) A file on the Macintosh consists of two parts, called forks. The "data fork" contains the data which would normally be stored in the file on other operating systems. The "resource fork" contains a collection of arbitrary attribute/value pairs, including program segments, icon bitmaps, and parametric values. Yet more information regarding Macintosh files is stored by the Finder in a hidden file, called the "Desktop Database". Because of the complications in storing different parts of a Macintosh file in non-Macintosh file systems that only handle consecutive data in one part, it is common to only send the Data fork or to convert the Macintosh file into some other format before transferring it.
- madagascar aquamarine — a form of blue beryl from Madagascar, used as a gemstone
- madagascar periwinkle — a plant, Catharanthus roseus (or Vinca rosea), cultivated for its glossy foliage and pink or white flowers.
- magnesium trisilicate — a white, fine, odorless and tasteless powder, Mg 2 O 8 Si 3 ⋅nH 2 O, used industrially to absorb odors and decolorize and pharmaceutically as an antacid.
- magnetic flux density — Also called magnetic flux density. a vector quantity used as a measure of a magnetic field. Symbol: B.
- magnetic permeability — permeability (def 2).
- magneto-optical drive — magneto-optical disk
- magnetocaloric effect — an increase or decrease of the temperature of a thermally isolated magnetic substance accompanying an increase or decrease in the intensity of a magnetic field.
- magnetofluid dynamics — magnetohydrodynamics.
- magnetoplasmadynamics — magnetohydrodynamics.
- magnificent riflebird — a bird of paradise, Craspedophora magnifica
- main-topsail schooner — a two-masted or three-masted schooner having square topsails on the foremast and mainmast: a jackass brig or jackass bark.
- maintenance allowance — money that is given to someone, usually on a regular basis, in order to help them pay for the things that they need
- make a convenience of — to take advantage of; impose upon