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19-letter words containing s, a, c, d

  • maestro di cappella — a person in charge of an orchestra, esp a private one attached to the palace of a prince in Italy during the baroque period
  • major seventh chord — a chord much used in modern music, esp jazz and pop, consisting of a major triad with an added major seventh above the root
  • malicious falsehood — a lie told by someone who knows the lie is false or knows it will do harm to the person it is concerning
  • manchester autocode — (language, history)   The predecessor of Mercury Autocode.
  • manchester encoding — (communications, protocol)   A method of transmitting bits which enables the receiver to easily synchronise with the sender. A simple way of signalling bits might be to transmit a high voltage for some period for a 1-bit and a low voltage for a 0 bit: Bits Sent: 1 1 0 0 Signal: High ___ Low |___ Time: -> . . . . . However, when several identical bits are sent in succession, this provides no information to the receiver about when each bit starts and stops. Manchester encoding splits each bit period into two, and ensures that there is always a transition between the signal levels in the middle of each bit. This allows the receiver to synchronise with the sender. In normal Manchester encoding, a 1-bit is transmitted with a high voltage in the first period, and a low voltage in the second, and vice verse for the 0 bit: Bits Sent: 1 1 0 0 Signal: High Low || |_| || Time: -> . ' . ' . ' . ' . In Differential Manchester encoding, a 1-bit is indicated by making the first half of the signal equal to the last half of the previous bit's signal and a 0-bit is indicated by making the first half of the signal opposite to the last half of the previous bit's signal. That is, a zero bit is indicated by a transition at the beginning of the bit. Like normal Manchester encoding, there is always a transition in the middle of the transmission of the bit. Differential Manchester Encoding Bits Sent: 1 1 0 0 Signal: High __ Low |_| || || Time: -> . ' . ' . ' . ' . With each bit period half as long, twice as much bandwidth is required when using either of the Manchester encoding schemes.
  • manned space flight — space travel in vehicles with a human crew
  • means of production — resources: equipment, workers
  • megabits per second — (unit)   (Mbps, Mb/s) Millions of bits per second. A unit of data rate. 1 Mb/s = 1,000,000 bits per second (not 1,048,576). E.g. Ethernet can carry 10 Mbps.
  • melodic minor scale — minor scale (def 2).
  • mendel's second law — the principle, originated by Gregor Mendel, stating that when two or more characteristics are inherited, individual hereditary factors assort independently during gamete production, giving different traits an equal opportunity of occurring together.
  • metaphosphoric acid — an acid, HPO 3 , derived from phosphorous pentoxide, and containing the smallest amount of water of the phosphoric acids.
  • meter-candle-second — a unit of light-exposure equivalent to one lux for one second.
  • moses-in-the-cradle — a plant, Rhoeo spathacea, native to the West Indies and Central America, having leaves with purple undersides and white flowers enclosed in a boat-shaped envelope formed by two bracts.
  • mouse-ear chickweed — any of various similar and related plants of the genus Cerastium
  • mucopolysaccharides — Plural form of mucopolysaccharide.
  • munchausen syndrome — a factitious disorder in which otherwise healthy individuals seek to hospitalize themselves with feigned or self-induced pathology in order to receive surgical or other medical treatment.
  • necessary condition — prerequisite
  • neuropsychodynamics — The theoretical synthesis of neuroscience and psychodynamics.
  • new zealand spinach — a plant, Tetragonia tetragonioides, of warm regions, cultivated for its edible leaves, eaten as a vegetable.
  • no strings attached — without conditions
  • northwest ordinance — the act of Congress in 1787 providing for the government of the Northwest Territory and setting forth the steps by which its subdivisions might become states.
  • noughts and crosses — tick-tack-toe (def 1).
  • noughts-and-crosses — tick-tack-toe (def 1).
  • nuclear disarmament — the gradual reduction and eventual elimination of all nuclear weapons in the world
  • objectfuscated code — (humour, programming)   Object-oriented code which has been abstracted to so many levels that no-one can understand it anymore. A play on obfuscated code.
  • of one's own accord — to be in agreement or harmony; agree.
  • old church slavonic — the oldest attested Slavic language, an ecclesiastical language written first by Cyril and Methodius in a Bible translation of the 9th century and continued in use for about two centuries. It represents the South Slavic, Bulgarian dialect of 9th-century Salonika with considerable addition of other South and West Slavic elements. Abbreviation: OCS.
  • old spanish customs — irregular practices among a group of workers to gain increased financial allowances, reduced working hours, etc
  • olive-backed thrush — Swainson's thrush.
  • on no consideration — for no reason whatsoever; never
  • operations director — a director or senior manager who oversees the efficiency of business operations
  • optical double star — two stars that appear as one if not viewed through a telescope with adequate magnification, such as two stars that are separated by a great distance but are nearly in line with each other and an observer (optical double star) or those that are relatively close together and comprise a single physical system (physical double star)
  • ordnance survey map — An Ordnance Survey map is a detailed map produced by the British or Irish government map-making organization.
  • orthopaedic surgeon — a surgeon specializing in the branch of surgery concerned with disorders of the spine and joints and the repair of deformities of these parts
  • orthopaedic surgery — surgery concerned with disorders of the spine and joints and the repair of deformities of these parts
  • palisade parenchyma — the upper layer of ground tissue in a leaf, consisting of elongated cells beneath and perpendicular to the upper epidermis and constituting the primary area of photosynthesis.
  • particle dispersoid — A particle dispersoid is a suspension of solid particles in a gas.
  • pedestrian crossing — place to cross road
  • pedestrian precinct — A pedestrian precinct is a street or part of a town where vehicles are not allowed.
  • peroxysulfuric acid — persulfuric acid (def 1).
  • physical addressing — (networking)   The low level addressing scheme used on Ethernet. The 48-bit destination Ethernet address in a packet is compared with the receiving node's Ethernet address. Compare IP address.
  • physically impaired — with reduced or weakened physical capacity
  • piece de resistance — the principal dish of a meal.
  • plastic deformation — In plastic deformation a material changes shape when a stress is applied to it and does not go back to its original state when the stress is removed.
  • police headquarters — building where police are stationed
  • polyphosphoric acid — any one of a series of oxyacids of phosphorus with the general formula Hn+2PnO3n+1. The first member is pyrophosphoric acid (n = 2) and the series includes the highly polymeric metaphosphoric acid. The higher acids exist in an equilibrium mixture
  • post-and-rail fence — a fence constructed of upright wooden posts with horizontal timber slotted through it
  • postage and packing — the cost of packing and mailing an item bought by post
  • professional advice — advice given by someone trained in a particular and relevant profession or job
  • pseudo-aristocratic — of or relating to government by an aristocracy.
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