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16-letter words containing o, p, e, r

  • incorrespondence — Lack of correspondence; failure to correspond or match up; disagreement; disproportion.
  • indo-europeanist — a linguist specializing in the study, especially the comparative study, of the Indo-European languages.
  • infinite product — a sequence of numbers in which an infinite number of terms are multiplied together.
  • inmos transputer — transputer
  • insurance policy — contract that insures sth
  • inter-comparison — the act of comparing.
  • interappointment — Between appointments.
  • interior mapping — an open map.
  • interoperability — capable of being used or operated reciprocally: interoperable weapons systems.
  • interpenetration — to penetrate thoroughly; permeate.
  • interpretational — the act of interpreting; elucidation; explication: This writer's work demands interpretation.
  • intravenous drip — the continuous, slow introduction of a fluid into a vein of the body. Abbreviation: IV.
  • introspectionist — observation or examination of one's own mental and emotional state, mental processes, etc.; the act of looking within oneself.
  • irresponsibility — said, done, or characterized by a lack of a sense of responsibility: His refusal to work shows him to be completely irresponsible.
  • isle of portland — a rugged limestone peninsula in SW England, in Dorset, connected to the mainland by a narrow isthmus and by Chesil Bank: the lighthouse of Portland Bill lies at the S tip; famous for the quarrying of Portland stone, a fine building material. Pop (town): 12 000 (latest est)
  • isopropylbenzene — cumene.
  • james oglethorpe — James Edward, 1696–1785, British general: founder of the colony of Georgia.
  • josquin des prés — Josquin [zhuhs-kan;; French zhaws-kan] /ˈʒʌs kæn;; French ʒɔsˈkɛ̃/ (Show IPA), c1445–1521, Flemish composer.
  • josquin des prez — 1440?-1521; Fr. composer
  • keep on a string — to have control or a hold over (someone), esp emotionally
  • kepler telescope — astronomical telescope.
  • key note speaker — a person who delivers a keynote address.
  • kidney corpuscle — Malpighian corpuscle.
  • kleptoparasitism — The parasitic theft of captured prey, nest material, etc. from animals of the same or another species.
  • knapsack problem — the problem of determining which numbers from a given collection of numbers have been added together to yield a specific sum: used in cryptography to encipher (and sometimes decipher) messages.
  • ladies'-eardrops — lady's-earrings.
  • lady of pleasure — a prostitute.
  • land-poor farmer — a farmer who owns much unprofitable land and lacks the money to maintain its fertility or improve it
  • laplace operator — the operator ∂2/∂x2 + ∂2/∂y2 + ∂2/∂z2,
  • large-print book — a book where the text is printed in larger text than normal, so as to make it easier to read, esp for the visually impaired
  • learning process — a process of learning
  • legal separation — judicial separation.
  • leptosporangiate — (of ferns) having each sporangium developing from a single cell, rather than from a group, and normally with specialized explosive spore dispersal
  • lesser spearwort — a Eurasian ranunculaceous plant, R. flammula, of the genus Ranunculus, which grows in wet places and has long narrow leaves and yellow flowers
  • levallois-perret — a suburb of Paris, in N France, on the Seine.
  • level descriptor — one of a set of criteria used to assess the performance of a pupil in a particular subject
  • light microscope — microscope (def 1).
  • linux user group — (body, operating system)   (LUG) Any organisation of Linux users in a local area, university, etc., that offers mutual technical support, companionship with people of similar interests and promotes the use of Linux among computer users generally. LUGs often hold Install Fests for the general public, in which experienced Linux users explain and supervise the installation of Linux on new users' systems.
  • literacy project — a project, plan or scheme to increase literacy in a country, area, etc
  • liver of sulphur — a mixture of potassium sulphides used as a fungicide and insecticide and in the treatment of skin diseases
  • logical operator — any of the Boolean symbols or functions, as AND, OR, and NOT, denoting a Boolean operation; Boolean operator.
  • lord proprietary — (in Colonial America) an owner, governor, or grantee of a proprietary colony
  • lost-wax process — a process of investment casting in which a refractory mold is built up around a pattern of wax and then baked so as to melt and drain off the wax.
  • lower palatinate — See under Palatinate (def 1).
  • lz77 compression — The first algorithm to use the Lempel-Ziv substitutional compression schemes, proposed in 1977. LZ77 compression keeps track of the last n bytes of data seen, and when a phrase is encountered that has already been seen, it outputs a pair of values corresponding to the position of the phrase in the previously-seen buffer of data, and the length of the phrase. In effect the compressor moves a fixed-size "window" over the data (generally referred to as a "sliding window"), with the position part of the (position, length) pair referring to the position of the phrase within the window. The most commonly used algorithms are derived from the LZSS scheme described by James Storer and Thomas Szymanski in 1982. In this the compressor maintains a window of size N bytes and a "lookahead buffer", the contents of which it tries to find a match for in the window: while (lookAheadBuffer not empty) { get a pointer (position, match) to the longest match in the window for the lookahead buffer; if (length > MINIMUM_MATCH_LENGTH) { output a (position, length) pair; shift the window length characters along; } else { output the first character in the lookahead buffer; shift the window 1 character along; } } Decompression is simple and fast: whenever a (POSITION, LENGTH) pair is encountered, go to that POSITION in the window and copy LENGTH bytes to the output. Sliding-window-based schemes can be simplified by numbering the input text characters mod N, in effect creating a circular buffer. The sliding window approach automatically creates the LRU effect which must be done explicitly in LZ78 schemes. Variants of this method apply additional compression to the output of the LZSS compressor, which include a simple variable-length code (LZB), dynamic Huffman coding (LZH), and Shannon-Fano coding (ZIP 1.x), all of which result in a certain degree of improvement over the basic scheme, especially when the data are rather random and the LZSS compressor has little effect. An algorithm was developed which combines the ideas behind LZ77 and LZ78 to produce a hybrid called LZFG. LZFG uses the standard sliding window, but stores the data in a modified trie data structure and produces as output the position of the text in the trie. Since LZFG only inserts complete *phrases* into the dictionary, it should run faster than other LZ77-based compressors. All popular archivers (arj, lha, zip, zoo) are variations on LZ77.
  • lz78 compression — A substitutional compression scheme which works by entering phrases into a dictionary and then, when a reoccurrence of that particular phrase is found, outputting the dictionary index instead of the phrase. Several algorithms are based on this principle, differing mainly in the manner in which they manage the dictionary. The most well-known Lempel-Ziv scheme is Terry Welch's Lempel-Ziv Welch variant of LZ78.
  • machine operator — someone who operates mechanical equipment
  • macpherson strut — an automobile suspension-system component that consists of a strut combined with a spring and shock absorber and connects the wheel to the frame of the vehicle.
  • macrolepidoptera — a collector's name for that part of the lepidoptera that comprises the butterflies and the larger moths (noctuids, geometrids, bombycids, springtails, etc): a term without taxonomic significance
  • magnetoreceptors — Plural form of magnetoreceptor.
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