20-letter words containing a, l, i, u, n
- hexafluoroantimonate — (inorganic chemistry) The anion SbF6- or any salt containing this anion; it is used as an acidic catalyst in epoxide opening reactions.
- hierarchical routing — The complex problem of routing on large networks can be simplified by breaking a network into a hierarchy of smaller networks, where each level is responsible for its own routing. The Internet has, basically, three levels: the backbones, the mid-levels, and the stub networks. The backbones know how to route between the mid-levels, the mid-levels know how to route between the sites, and each site (being an autonomous system) knows how to route internally. See also Exterior Gateway Protocol, Interior Gateway Protocol, transit network.
- himalayan guinea pig — a variety of short-haired guinea pig with markings on its nose, ears, and feet
- hindu-arabic numeral — Arabic numeral.
- hospitality industry — the hotel and accommodation industry
- household appliances — devices or machines, usually electrical, that are in your home and which you use to do jobs such as cleaning or cooking
- houses of parliament — In Britain, the Houses of Parliament are the British parliament, which consists of two parts, the House of Commons and the House of Lords. The buildings where the British parliament does its work are also called the Houses of Parliament.
- human papillomavirus — any of a group of papillomaviruses causing cutaneous warts and lesions of the oral, anal, and genital mucous membranes in human beings
- hydraulic fracturing — a process in which fractures in rocks below the earth's surface are opened and widened by injecting chemicals and liquids at high pressure: used especially to extract natural gas or oil.
- hydraulic suspension — a system of motor-vehicle suspension using hydraulic members, often with hydraulic compensation between front and rear systems (hydroelastic suspension)
- hydrodesulfurization — desulfurization by catalytic agents of the sulfur-rich hydrocarbons obtained from petroleum or the like during cracking or hydrocracking.
- ideal of pure reason — God, seen as an idea of pure reason unifying the personal soul with the cosmos.
- ignatius (of) loyola — Saint(born Iñigo López de Recalde) (1491-1556); Sp. priest: founder of the Society of Jesus (Jesuit order): his day is July 31
- in (or out of) play — in (or not in) the condition for continuing play
- in the lap of luxury — If you say that someone lives in the lap of luxury, you mean that they live in conditions of great comfort and wealth.
- in the public domain — able to be discussed and examined freely by the general public
- indistinguishability — The state of being indistinguishable.
- industrial democracy — control of an organization by the people who work for it, esp by workers holding positions on its board of directors
- industrial espionage — the stealing of technological or commercial research data, blueprints, plans, etc., as by a person in the hire of a competing company.
- industrial insurance — industrial life insurance.
- industrial relations — (used with a plural verb) the dealings or relations of an industrial concern with its employees, with labor in general, with the public, etc.
- industrial sociology — the sociological study of social relationships and social structures in business settings.
- inertial upper stage — a U.S. two-stage, solid-propellant rocket used to boost a relatively heavy spacecraft from a low earth orbit into a planetary trajectory or an elliptical transfer orbit. Abbreviation: IUS.
- information builders — Distributors of LEVEL5 OBJECT. Telephone +1 800 969 INFO.
- inland revenue stamp — a certificate issued by the Inland Revenue to acknowledge payment of tax
- institutionalisation — The process of embedding something within an organization or society as an established custom or norm.
- institutionalization — to make institutional.
- insulin-coma therapy — a former treatment for mental illness, especially schizophrenia, employing insulin-induced hypoglycemia as a method for producing convulsive seizures.
- intestinal fortitude — courage; resoluteness; endurance; guts: to have intestinal fortitude.
- java virtual machine — (language, architecture) (JVM) A specification for software which interprets Java programs that have been compiled into byte-codes, and usually stored in a ".class" file. The JVM instruction set is stack-oriented, with variable instruction length. Unlike some other instruction sets, the JVM's supports object-oriented programming directly by including instructions for object method invocation (similar to subroutine call in other instruction sets). The JVM itself is written in C and so can be ported to run on most platforms. It needs thread support and I/O (for dynamic class loading). The Java byte-code is independent of the platform. There are also some hardware implementations of the JVM.
- joint life insurance — life insurance covering two or more persons, the benefits of which are paid after the first person dies.
- judicial proceedings — any action involving or carried out by a court of law
- kruger national park — a wildlife sanctuary in NE South Africa: the world's largest game reserve. Area: over 21 700 sq km (8400 sq miles)
- laboratory equipment — apparatus for scientific research and experiments
- labour-saving device — a machine, gadget, etc, that reduces (human) effort, hard work or labour
- land-office business — a lively, booming, expanding, or very profitable business.
- languedoc-roussillon — a region of S France, on the Gulf of Lions: consists of the departments of Lozère, Gard, Hérault, Aude, and Pyrénées-Orientales; mainly mountainous with a coastal plain
- laurentian mountains — a range of low mountains in E Canada, in Quebec between the St Lawrence River and Hudson Bay. Highest point: 1191 m (3905 ft)
- law of superposition — Geology. a basic law of geochronology, stating that in any undisturbed sequence of rocks deposited in layers, the youngest layer is on top and the oldest on bottom, each layer being younger than the one beneath it and older than the one above it.
- law-and-order issues — issues concerning law and social conventions
- leave sth until last — If you leave something or someone until last, you delay using, choosing, or dealing with them until you have used, chosen, or dealt with all the others.
- lieutenant commander — a commissioned officer ranking next below a commander and next above a lieutenant.
- life-support machine — A life-support machine is the equipment that is used to keep a person alive when they are very ill and cannot breathe without help.
- like a house on fire — If two people get on like a house on fire, they quickly become close friends, for example because they have many interests in common.
- linguistic geography — dialect geography.
- linguistic universal — language universal.
- logarithmic function — a function defined by y = log bx, especially when the base, b, is equal to e, the base of natural logarithms.
- logical construction — anything referred to by an incomplete symbol capable of contextual definition.
- longitude by account — the longitude of the position of a vessel as estimated by dead reckoning.
- longitudinal framing — a system for framing steel vessels in which light, closely spaced, longitudinal frames are connected by heavy, widely spaced transverse frames with deep webs.