21-letter words containing l, a, i
- intersubstitutability — a person or thing acting or serving in place of another.
- 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.
- isolation transformer — An isolation transformer is a transformer with physically separate primary and secondary windings, that prevent it from transferring unwanted noise from the input circuit to the output windings.
- isopropylideneacetone — mesityl oxide.
- jewish defense league — an organization of militant Jewish activists, founded in 1968 in the U.S. to combat anti-Semitism and defend Jewish interests worldwide. Abbr.: JDL.
- keep the ball rolling — a spherical or approximately spherical body or shape; sphere: He rolled the piece of paper into a ball.
- kekule von stradonitz — Friedrich August [free-drikh ou-goo st] /ˈfri drɪx ˈaʊ gʊst/ (Show IPA), 1829–96, German chemist.
- keto-enol tautomerism — tautomerism in which the tautomers are an enol and a keto form. The change occurs by transfer of a hydrogen atom within the molecule
- khalid ibn abdul aziz — 1913–82, king and President of the Council of Ministers of Saudi Arabia (1975–82)
- knights of st columba — an international, semi-secret fraternal and charitable order for Catholic laymen, which originated in New Haven, Connecticut in 1882 (the Knights of Columbus)
- laboratory technician — sb who assists in a laboratory
- lady murasaki shikibu — Lady, 978?–1031? Japanese poet and novelist.
- lady of the camellias — French La Dame aux Camélias. a novel (1848) and play (1852) by Alexandre Dumas fils.
- lady windermere's fan — a comedy (1892) by Oscar Wilde.
- lafayette, marquis de — Marie Joseph Paul Yves Roch Gilbert du Motier [ma-ree zhaw-zef pawl eev rawk zheel-ber dy maw-tyey] /maˈri ʒɔˈzɛf pɔl iv rɔk ʒilˈbɛr dü mɔˈtyeɪ/ (Show IPA), Marquis de. Also, La Fayette. 1757–1834, French soldier, statesman, and liberal leader, who served in the American Revolutionary Army as aide-de-camp to General Washington, and took a leading part in the French revolutions of 1789 and 1830.
- lafcadio's adventures — French Les Caves du Vatican. a novel (1914) by André Gide.
- lambeth quadrilateral — the four essentials agreed upon at the Lambeth Conference of 1888 for a United Christian Church, namely, the Holy Scriptures, the Apostles' Creed, the sacraments of baptism and Holy Communion, and the historic episcopate
- language-based editor — language-sensitive editor
- lap and diagonal belt — A lap and diagonal belt is a strap attached to a seat in a vehicle that extends horizontally in front of the hips and diagonally from the outer shoulder across the chest. You fasten it across your body in order to prevent yourself being thrown out of the seat if there is a sudden movement or stop.
- 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.
- 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)
- leaning tower of pisa — a round, marble campanile in Pisa, Italy, begun in 1174 and now 17 feet (5.2 meters) out of the perpendicular in its height of 179 feet (54 meters).
- 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 holding the bag — a container or receptacle of leather, plastic, cloth, paper, etc., capable of being closed at the mouth; pouch.
- leave sb in the lurch — If someone leaves you in the lurch, they go away or stop helping you at a very difficult time.
- legionnaire's disease — a serious, sometimes fatal, infection, caused by the bacterium Legionella pneumophila, which has symptoms similar to those of pneumonia: believed to be spread by inhalation of contaminated water vapour from showers and air-conditioning plants
- legionnaires' disease — a type of acute pneumonia caused by Legionella pneumophila bacterium and characterized by fever, chest pain, cough, and muscle aches.
- 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
- liability engineering — the practice by a company of taking steps to avoid liability for any fraudulent dealings with it, such as making a credit-card owner responsible for any abuses of the card by a third party
- lie at someone's door — a movable, usually solid, barrier for opening and closing an entranceway, cupboard, cabinet, or the like, commonly turning on hinges or sliding in grooves.
- light armored vehicle — an eight-wheeled armored reconnaissance car with a 25mm cannon, in service with the U.S. Army and Marine Corps in the 1980s.
- like a blue-arsed fly — in a state of frenzied activity
- like a pakapoo ticket — untidy; incomprehensible
- like a shag on a rock — abandoned and alone
- limit-proportionality — elastic limit.
- line of communication — a means by which information may be transmitted from one person to another
- linear graph notation — (LGN) A linearised representation of TCOL trees.
- linear transformation — linear map
- liquefied natural gas — a mixture of various gases, esp methane, liquefied under pressure for transportation and used as an engine fuel
- live to tell the tale — If you survive a dangerous or frightening experience and so are able to tell people about it afterwards, you can say that you lived to tell the tale.
- logic design language — (language) A language for computer design.
- long-term liabilities — Long-term liabilities are debts that a company does not have to pay back for a year or more.
- lucila godoy alcayaga — Frédéric [frey-dey-reek] /freɪ deɪˈrik/ (Show IPA), 1830–1914, French Provençal poet: Nobel prize 1904.
- 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.