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17-letter words containing t, h, a, l

  • l'hospital's rule — the theorem that for the quotient of two functions satisfying certain conditions on a given closed interval, each having infinite limit or zero as limit at a given point, the limit of the quotient at the given point is equal to the limit of the quotient of the derivatives of each function.
  • laboratory school — a school maintained by a college or university for the training of student teachers.
  • lady of the house — the female head of a household (usually preceded by the).
  • lady of the night — a tropical American shrub, Brunfelsia americana, of the nightshade family, having berrylike yellow fruit and fragrant white flowers.
  • lady-of-the-night — a tropical American shrub, Brunfelsia americana, of the nightshade family, having berrylike yellow fruit and fragrant white flowers.
  • 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.
  • lake of the woods — Eldrick [el-drik] /ˈɛl drɪk/ (Show IPA), ("Tiger") born 1975, U.S. professional golfer.
  • langerhans islets — islets of Langerhans
  • langmuir isotherm — A Langmuir isotherm is a classical relationship between the concentrations of a solid and a fluid, used to describe a state of no change in the sorption process.
  • lanthanide series — the series of rare-earth elements of atomic numbers 57 through 71 (lanthanum through lutetium).
  • laurent's theorem — the theorem that a function that is analytic on an annulus can be represented by a Laurent series on the annulus.
  • law of the jungle — a system or mode of action in which the strongest survive, presumably as animals in nature or as human beings whose activity is not regulated by the laws or ethics of civilization.
  • law of trichotomy — the property that for natural numbers a and b , either a is less than b , a equals b , or a is greater than b .
  • lay it on (thick) — to exaggerate
  • lazy daisy stitch — an embroidery stitch consisting of a long chain stitch, usually used in making flower patterns
  • 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
  • lewis with harris — the northernmost island of the Hebrides, in NW Scotland. 825 sq. mi. (2135 sq. km).
  • life and/or death — If you say that something is a matter of life and death, you are emphasizing that it is extremely important, often because someone may die or suffer great harm if people do not act immediately.
  • life of the party — most lively, outgoing person
  • light dawns on sb — If light dawns on you, you begin to understand something after a period of not being able to understand it.
  • light heavyweight — a boxer or other contestant intermediate in weight between a middleweight and a heavyweight, especially a professional boxer weighing up to 175 pounds (80 kg).
  • light in the head — dizzy; giddy
  • light machine gun — any air-cooled machine gun having a caliber not greater than 0.30 inches (7.6 mm).
  • light mineral oil — a colorless, oily, almost tasteless, water-insoluble liquid, usually of either a standard light density (light mineral oil) or a standard heavy density (heavy mineral oil) consisting of mixtures of hydrocarbons obtained from petroleum by distillation: used chiefly as a lubricant, in the manufacture of cosmetics, and in medicine as a laxative.
  • lithium carbonate — a colorless crystalline compound, Li 2 CO 3 , slightly soluble in water: used in ceramic and porcelain glazes, pharmaceuticals, and luminescent paints.
  • lithostratigraphy — the study or character of stratified rocks based solely on their physical and petrographic features.
  • local anaesthesia — the use of anaesthetics that affect a particular area of the body
  • local anaesthetic — sth injected to numb a body part for pain relief
  • loggerhead turtle — a sea turtle, Caretta caretta, having a large head: now greatly reduced in number.
  • lose the exchange — to lose a rook in return for a bishop or knight
  • low-hanging fruit — the fruit that grows low on a tree and is therefore easy to reach
  • lower paleolithic — See under Paleolithic.
  • lymphadenopathies — Plural form of lymphadenopathy.
  • maintained school — a school financially supported by the state
  • make light of sth — If you make light of something, you treat it as though it is not serious or important, when in fact it is.
  • make the dust fly — earth or other matter in fine, dry particles.
  • manchester school — a school of economists in England in the first half of the 19th century, devoted to free trade and the repeal of the Corn Law, led by Richard Cobden and John Bright.
  • margaret hamilton — (person)   (born 1936-08-17) A computer scientist, systems engineer and business owner, credited with coining the term software engineering. Margaret Hamilton published over 130 papers, proceedings and reports about the 60 projects and six major programs in which she has been involved. In 1965 she became Director of Software Programming at MIT's Charles Stark Draper Laboratory and Director of the Software Engineering Division of the MIT Instrumentation Laboratory, which developed on-board flight software for the Apollo space program. At NASA, Hamilton pioneered the Apollo on-board guidance software that navigated to and landed on the Moon and formed the basis for software used in later missions. At the time, programming was a hands-on, engineering descipline; computer science and software engineering barely existed. Hamilton produced innovations in system design and software development, enterprise and process modelling, development paradigms, formal systems modelling languages, system-oriented objects for systems modelling and development, automated life-cycle environments, software reliability, software reuse, domain analysis, correctness by built-in language properties, open architecture techniques for robust systems, full life-cycle automation, quality assurance, seamless integration, error detection and recovery, man-machine interface systems, operating systems, end-to-end testing and life-cycle management. She developed concepts of asynchronous software, priority scheduling and Human-in-the-loop decision capability, which became the foundation for modern, ultra-reliable software design. The Apollo 11 moon landing would have aborted when spurious data threatened to overload the computer, but thanks to the innovative asynchronous, priority based scheduling, it eliminated the unnecessary processing and completed the landing successfully. In 1986, she founded Hamilton Technologies, Inc., developed around the Universal Systems Language and her systems and software design paradigm of Development Before the Fact (DBTF).
  • may/might as well — If you say that you might as well do something, or that you may as well do it, you mean that you will do it although you do not have a strong desire to do it and may even feel slightly unwilling to do it.
  • mechanical tissue — a plant tissue made up of hard, thick-walled cells that add strength to an organ
  • mechanoelectrical — Describing the production of electricity by mechanical motion; especially in a transducer.
  • memetic algorithm — (algorithm)   A genetic algorithm or evolutionary algorithm which includes a non-genetic local search to improve genotypes. The term comes from the Richard Dawkin's term "meme". One big difference between memes and genes is that memes are processed and possibly improved by the people that hold them - something that cannot happen to genes. It is this advantage that the memetic algorithm has over simple genetic or evolutionary algorithms. These algorithms are useful in solving complex problems, such as the "Travelling Salesman Problem," which involves finding the shortest path through a large number of nodes, or in creating artificial life to test evolutionary theories. Memetic algorithms are one kind of metaheuristic. (07 July 1997)
  • mental arithmetic — sums done in your head
  • metabolic pathway — biochemistry: sequence of reactions within a cell or organism
  • methemoglobinemia — (medicine) A form of toxic anemia characterized by the presence of methemoglobin in the blood.
  • methyl isocyanate — Chemistry. a highly toxic, flammable, colorless liquid, CH 3 NCO, used as an intermediate in the manufacture of pesticides: in 1984, the accidental release of a cloud of this gas in Bhopal, India, killed more than 1700 people and injured over 200,000.
  • methyl salicylate — a colorless, water-soluble liquid, C 8 H 8 O 3 , produced synthetically or by maceration and subsequent distillation from birch or gaultheria: used chiefly in perfumery and flavoring, and in medicine as a counterirritant in external preparations.
  • methylacetic acid — propionic acid.
  • methylnaphthalene — a compound, C 1 1 H 1 0 , whose alpha isomer, a colorless liquid, is used in determining cetane numbers.
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