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17-letter words containing n, a, d, i, r, l

  • 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.
  • landscape painter — artist who depicts natural scenery
  • lanthanide series — the series of rare-earth elements of atomic numbers 57 through 71 (lanthanum through lutetium).
  • latitudinarianism — Tolerance of other people's views, particularly in religious context.
  • latter-day saints — a member of the Church of Jesus Christ of Latter-day Saints.
  • 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.
  • learning-disabled — pertaining to or having a learning disability: a learning-disabled child.
  • 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.
  • leonardo da vinci — Leonardo [lee-uh-nahr-doh,, ley-;; Italian le-aw-nahr-daw] /ˌli əˈnɑr doʊ,, ˌleɪ-;; Italian ˌlɛ ɔˈnɑr dɔ/ (Show IPA), Leonardo da Vinci.
  • liberal education — an education based primarily on the liberal arts, emphasizing the development of intellectual abilities as opposed to the acquisition of professional skills.
  • 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.
  • linear dependence — (in linear algebra) the property of a set of elements in a vector space in which at least one of the vectors in the set can be written as a linear combination of the others.
  • liquid propellant — a rocket propellant in liquid form.
  • litigation friend — a person acting on behalf of an infant or other person under legal disability
  • loose-leaf binder — a hard cover with metal rings inside which is used to hold loose pieces of paper
  • maison de moliere — Comédie Française.
  • maladministration — to administer or manage badly or inefficiently: The mayor was a bungler who maladministered the city budget.
  • marquesas islands — a group of volcanic islands in the S Pacific, in French Polynesia. Pop: 8712 (2002). Area: 1287 sq km (497 sq miles)
  • mascarene islands — a group of islands in the Indian Ocean, E of Madagascar, including Mauritius, Reunion, and Rodrigues.
  • mechanical digger — a machine used for excavation
  • medical insurance — a type of insurance intended to cover possible future medical expenses
  • medical librarian — a person who works in a library of medical information kept for reference in a teaching hospital
  • medical marijuana — marijuana prescribed by a doctor and used as a medicine: medical marijuana in pill form or oral spray.
  • mentally impaired — with reduced or weakened mental capacity
  • microdistillation — the distillation of minute quantities of material.
  • microencapsulated — Encapsulated using microencapsulation.
  • middle low german — Low German of the period c1100–c1500.
  • mileage indicator — a device on a vehicle such as a car, plane, etc which indicates the number of miles travelled
  • mineralocorticoid — Biochemistry. any of a group of corticosteroid hormones, synthesized by the adrenal cortex, that regulate the excretion or reabsorption of sodium and potassium by the kidneys, salivary glands, and sweat glands.
  • misunderstandable — Capable of being misunderstood.
  • mitochondrial dna — DNA found in mitochondria, which contains some structural genes and is generally inherited only through the female line
  • multi-directional — extending or operating in several directions at the same time; functioning or going in more than one direction: a multidirectional stereo speaker system.
  • multidisciplinary — composed of or combining several usually separate branches of learning or fields of expertise: a multidisciplinary study of the 18th century.
  • musical interlude — an interval in a play, event or occasion during which music is played
  • naked singularity — an infinitely dense point mass without a surrounding black hole
  • nasolacrimal duct — a membranous canal extending from the lacrimal sac to the nasal cavity, through which tears are discharged into the nose.
  • natural deduction — (logic)   A set of rules expressing how valid proofs may be constructed in predicate logic. In the traditional notation, a horizontal line separates premises (above) from conclusions (below). Vertical ellipsis (dots) stand for a series of applications of the rules. "T" is the constant "true" and "F" is the constant "false" (sometimes written with a LaTeX \perp). "^" is the AND (conjunction) operator, "v" is the inclusive OR (disjunction) operator and "/" is NOT (negation or complement, normally written with a LaTeX \neg). P, Q, P1, P2, etc. stand for propositions such as "Socrates was a man". P[x] is a proposition possibly containing instances of the variable x, e.g. "x can fly". A proof (a sequence of applications of the rules) may be enclosed in a box. A boxed proof produces conclusions that are only valid given the assumptions made inside the box, however, the proof demonstrates certain relationships which are valid outside the box. For example, the box below labelled "Implication introduction" starts by assuming P, which need not be a true proposition so long as it can be used to derive Q. Truth introduction: - T (Truth is free). Binary AND introduction: ----------- | . | . | | . | . | | Q1 | Q2 | ----------- Q1 ^ Q2 (If we can derive both Q1 and Q2 then Q1^Q2 is true). N-ary AND introduction: ---------------- | . | .. | . | | . | .. | . | | Q1 | .. | Qn | ---------------- Q1^..^Qi^..^Qn Other n-ary rules follow the binary versions similarly. Quantified AND introduction: --------- | x . | | . | | Q[x] | --------- For all x . Q[x] (If we can prove Q for arbitrary x then Q is true for all x). Falsity elimination: F - Q (Falsity opens the floodgates). OR elimination: P1 v P2 ----------- | P1 | P2 | | . | . | | . | . | | Q | Q | ----------- Q (Given P1 v P2, if Q follows from both then Q is true). Exists elimination: Exists x . P[x] ----------- | x P[x] | | . | | . | | Q | ----------- Q (If Q follows from P[x] for arbitrary x and such an x exists then Q is true). OR introduction 1: P1 ------- P1 v P2 (If P1 is true then P1 OR anything is true). OR introduction 2: P2 ------- P1 v P2 (If P2 is true then anything OR P2 is true). Similar symmetries apply to ^ rules. Exists introduction: P[a] ------------- Exists x.P[x] (If P is true for "a" then it is true for all x). AND elimination 1: P1 ^ P2 ------- P1 (If P1 and P2 are true then P1 is true). For all elimination: For all x . P[x] ---------------- P[a] (If P is true for all x then it is true for "a"). For all implication introduction: ----------- | x P[x] | | . | | . | | Q[x] | ----------- For all x . P[x] -> Q[x] (If Q follows from P for arbitrary x then Q follows from P for all x). Implication introduction: ----- | P | | . | | . | | Q | ----- P -> Q (If Q follows from P then P implies Q). NOT introduction: ----- | P | | . | | . | | F | ----- / P (If falsity follows from P then P is false). NOT-NOT: //P --- P (If it is not the case that P is not true then P is true). For all implies exists: P[a] For all x . P[x] -> Q[x] ------------------------------- Q[a] (If P is true for given "a" and P implies Q for all x then Q is true for a). Implication elimination, modus ponens: P P -> Q ---------- Q (If P and P implies Q then Q). NOT elimination, contradiction: P /P ------ F (If P is true and P is not true then false is true).
  • non-biodegradable — capable of decaying through the action of living organisms: biodegradable paper; biodegradable detergent.
  • nuclear radiation — Physics. radiation in the form of elementary particles emitted by an atomic nucleus, as alpha rays or gamma rays, produced by decay of radioactive substances or by nuclear fission.
  • old age pensioner — An old age pensioner is a person who is old enough to receive an pension from their employer or the government.
  • old south arabian — a group of four closely related Semitic languages, having a writing system and used from about the eighth to the fifth centuries b.c. in the southern part of Arabia.
  • old spanish trail — an overland route from Santa Fe, N. Mex., to Los Angeles, Calif., first marked out in 1776 by Spanish explorers and missionaries.
  • online dictionary — a dictionary that is available on the Internet or World Wide Web and accessed through a Web browser using a computer or a mobile device, primarily by typing a query term into a search box on the site. Online dictionaries like Dictionary.com offer immediate, direct access through large databases to a word's spelling and meanings, plus a host of ancillary information, including its variant spellings, pronunciation, inflected forms, origin, and derived forms, as well as supplementary notes on matters of interest or concern about how the word is used: Some people think online dictionaries will make print dictionaries obsolete.
  • organized militia — a former military organization functioning under both state and federal authority.
  • overhead lighting — lighting which throws light downwards by being situated on the ceiling or having a downward shade, etc
  • painted greenling — a greenling, Oxylebius pictus, inhabiting the Pacific coastal waters of North America, having a whitish body marked with black bands.
  • parathyroid gland — any of several small oval glands usually lying near or embedded in the thyroid gland.
  • personal distance — personal space.
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