17-letter words containing d, o, l, a, r
- hall of residence — Halls of residence are buildings with rooms or flats, usually built by universities or colleges, in which students live during the term.
- hard rock geology — (loosely) of or relating to igneous or metamorphic rocks, as in mining (hard-rock mining) and geology (hard-rock geology)
- hardware platform — a group of compatible computers that can run the same software.
- haroun-al-raschid — Harun al-Rashid.
- henry cabot lodge — Henry Cabot, 1850–1924, U.S. public servant and author: senator 1893–1924.
- heterochlamydeous — (of a plant) having a perianth consisting of distinct sepals and petals
- historical method — the process of establishing general facts and principles through attention to chronology and to the evolution or historical course of what is being studied.
- hold one's breath — If you say that someone is holding their breath, you mean that they are waiting anxiously or excitedly for something to happen.
- hold sb to ransom — If you say that someone is holding you to ransom in British English, or holding you for ransom in American English, you mean that they are using their power to try to force you to do something which you do not want to do.
- holding operation — a plan or procedure devised to prolong the existing situation
- homeland security — national defence
- household cavalry — (in Britain) cavalry units forming part of the ceremonial guard of the monarch.
- hydrochloric acid — a colorless or faintly yellow, corrosive, fuming liquid, HCl, used chiefly in chemical and industrial processes.
- hydroelectrically — Using hydroelectric power.
- hydrofluoric acid — a colorless, fuming, corrosive liquid, HF, an aqueous solution of hydrogen fluoride, used chiefly for etching glass.
- hydrofluorocarbon — Any of a class of partly chlorinated and fluorinated hydrocarbons, used as an alternative to chlorofluorocarbons in foam production, refrigeration, and other processes.
- hydrotherapy pool — a pool of water used for hydrotherapy
- hydrothermal vent — an opening on the floor of the sea from which hot, mineral-rich solutions issue. Compare vent1 (def 2).
- hypochlorous acid — a weak, unstable acid, HOCl, existing only in solution and in the form of its salts, used as a bleaching agent and disinfectant.
- hypochondriacally — In a hypochondriacal manner.
- ideogrammatically — In terms of, or by means of, ideograms.
- idiosyncratically — pertaining to the nature of idiosyncrasy, or something peculiar to an individual: The best minds are idiosyncratic and unpredictable as they follow the course of scientific discovery.
- illegal procedure — a penalty assessed against the offensive team for a technical rules violation, as in assuming an illegal formation.
- in broad daylight — openly, in full public view
- in double harness — in a harness for two animals pulling the same carriage, plow, etc.
- industrial action — job action.
- industrial school — a school for teaching one or more branches of industry; trade or vocational school.
- industrialisation — Alternative spelling of industrialization.
- industrialization — the large-scale introduction of manufacturing, advanced technical enterprises, and other productive economic activity into an area, society, country, etc.
- integrated school — (in New Zealand) a private or church school that has joined the state school system
- internationalized — Simple past tense and past participle of internationalize.
- italian greyhound — one of an Italian breed of toy dogs resembling a greyhound.
- kastor and pollux — Castor and Pollux.
- kolar gold fields — a city in S India, in SE Karnataka: a major gold-mining centre since 1881. Pop: 176 000 (2005 est)
- label edge router — (networking) (LER) A device that sits at the edge of an MPLS domain, that uses routing information to assign labels to datagrams and then forwards them into the MPLS domain.
- ladder tournament — a tournament in which the entrants are listed by name and rank, advancement being by means of challenging and defeating an entrant ranked one or two places higher.
- lagging indicator — A lagging indicator is an economic indicator that changes following a change in the economy, such as unemployment.
- lago de nicaragua — Spanish name of Lake Nicaragua.
- lagrange's method — a procedure for finding maximum and minimum values of a function of several variables when the variables are restricted by additional conditions.
- lambda expression — (mathematics) A term in the lambda-calculus denoting an unnamed function (a "lambda abstraction"), a variable or a constant. The pure lambda-calculus has only functions and no constants.
- lambdoidal suture — the lambda-shaped seam or line of joining between the occipital and two parietal bones at the back part of the skull.
- lan administrator — (job) A person who installs and maintains LAN hardware and software. A LAN administrator troubleshoots network usage and computer peripherals. He installs new users, performs system backups and data recovery, and resolves LAN communications problems.
- le morte d'arthur — a compilation and translation of French Arthurian romances by Sir Thomas Malory, printed by Caxton in 1485.
- lead to the altar — to marry
- leading indicator — A leading indicator is an economic indicator that changes before a change in the economy, and that can be used to predict future economic or financial activity.
- learned borrowing — a word or other linguistic form borrowed from a classical language into a modern language.
- least upper bound — an upper bound that is less than or equal to all the upper bounds of a particular set. 3 is the least upper bound of the set consisting of 1, 2, 3. Abbr.: lub.
- lee harvey oswald — Lee Harvey, 1939–63, designated by a presidential commission to be the lone assassin of John F. Kennedy.
- legal proceedings — court case
- legendre equation — a differential equation of the form (1− x 2) d2y/dx2 − 2 xdy/dx + a (a + 1) y = 0, where a is an arbitrary constant.