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18-letter words containing a, n, t, i, s, h

  • phantasmagorically — having a fantastic or deceptive appearance, as something in a dream or created by the imagination.
  • phase-shift keying — (communications)   (PSK) A digital modulation scheme that conveys data by changing the phase of a carrier wave. The data can either determine the absolute phase relative to the unmodulated carrier or reference signal ("coherent phase-shift keying", CPSK) or the change in phase ("differential phase-shift keying", DPSK). The number of different phases used determines the amount of data that can be transmitted in each cycle. Each cycle can be considered to constitute one "symbol", e.g. with two possible phases, each cycle carries one bit. The more phases that are used, the less tollerant to noise the transmissions becomes. Alternatives to PSK are amplitude-shift keying (ASK) and frequency-shift keying (FSK).
  • phosphatidylserine — any of a class of phospholipids occurring in biological membranes and fats
  • photoisomerization — isomerization induced by light.
  • photosensitization — to make (a material) photosensitive, as by the application of a photosensitive emulsion.
  • physical education — systematic instruction in sports, exercises, and hygiene given as part of a school or college program.
  • physical inventory — To carry out a physical inventory is to count all the stock on hand.
  • pitch-and-run shot — chip shot.
  • policeman's helmet — a Himalayan balsaminaceous plant, Impatiens glandulifera, with large purplish-pink flowers, introduced into Britain
  • prison authorities — the people in charge of running a prison
  • processionary moth — a moth of the family Thaumetopoeidae, esp the oak processionary moth (Thaumetopoea processionea), the larvae of which leave the communal shelter nightly for food in a V-shaped procession
  • protease inhibitor — a drug that inhibits the action of protease, especially any of a class of antiviral drugs that prevent the cleavage and replication of HIV proteins.
  • provision merchant — a person or company in the business of retailing food and other provisions
  • pseudo-anarchistic — a person who advocates or believes in anarchy or anarchism.
  • punishment beating — a form of corporal punishment carried out by a paramilitary organization on a member of another sectarian organization, usually in Northern Ireland
  • pyramus and thisbe — (in Greek legend) two lovers of Babylon: Pyramus, wrongly supposing Thisbe to be dead, killed himself and she, encountering him in his death throes, did the same
  • research assistant — a graduate who is employed on a temporary or part-time basis to assist the university with academic research
  • research scientist — someone who conducts scientific research or investigation, in order to discover new things, etc
  • research-intensive — focusing financial and other resources on research and development as opposed to capital and labor; noting or pertaining to a high ratio of expenditure on research in relation to the value of net output.
  • residential school — (in Canada) a boarding school maintained by the Canadian government for Indian and Inuit children from sparsely populated settlements
  • resistance fighter — someone who fights (for freedom, etc) against an invader in an occupied country, or against their government, etc, often secretly or illegally
  • rhode island white — one of a dual-purpose American breed of chickens having white feathers and a rose comb.
  • rotary clothesline — an apparatus of radiating spokes that support lines on which clothes are hung to dry
  • saint john's bread — carob (def 2).
  • saint peter's fish — another name for tilapia, taken from a Bible story about Saint Peter catching a fish with a coin in its mouth
  • say/kiss goodnight — If you say goodnight to someone or kiss them goodnight, you say something such as 'Goodnight' to them or kiss them before one of you goes home or goes to sleep.
  • schwarz inequality — Also called Cauchy's inequality. the theorem that the inner product of two vectors is less than or equal to the product of the magnitudes of the vectors.
  • shape-note singing — a traditional style of a capella singing using shape-note notation.
  • shipping container — a large, strong container, usually of metal, used to store goods in during shipment
  • shunting operation — an operation in which rail coaches are manoeuvred
  • sign of the zodiac — one of the twelve constellations along the path of the ecliptic.
  • sindbad the sailor — (in The Arabian Nights' Entertainments), a wealthy citizen of Baghdad who relates the adventures of his seven wonderful voyages.
  • sit on one's hands — the terminal, prehensile part of the upper limb in humans and other primates, consisting of the wrist, metacarpal area, fingers, and thumb.
  • snake in the grass — a treacherous person, especially one who feigns friendship.
  • sociotechnological — of, relating to, or signifying the combination or interaction of social and technological factors.
  • sodium thiocyanate — a white powder or colorless, deliquescent crystals, NaSCN, used chiefly in organic synthesis and in medicine in the treatment of hypertension.
  • soft touch sealing — Soft touch sealing is a copolymer seal for a tank, with characteristics designed for softness, used instead of a metal seal to help avoid fire when sparks are generated.
  • solid-fuel heating — heating that uses solid fuel, such as coal or coke
  • something to spare — a surplus of something
  • southampton island — an island in N Canada, in the Northwest Territories at the entrance to Hudson Bay. 19,100 sq. mi. (49,470 sq. km).
  • southern rhodesian — a former name (until 1964) of Zimbabwe (def 1).
  • spaghetti junction — an interchange, usually between motorways, in which there are a large number of underpasses and overpasses and intersecting roads used by a large volume of high-speed traffic
  • spherical triangle — a triangle formed by arcs of great circles of a sphere.
  • spinal anaesthesia — anaesthesia of the lower half of the body produced by injecting an anaesthetic beneath the arachnoid membrane surrounding the spinal cord
  • state of the union — A State of the Union speech or address is a speech, given once a year, in which the president of the United States talks about the current political issues that affect the country as a whole and about his plans for the year ahead.
  • stinking chamomile — mayweed.
  • strathclyde region — a former local government region in W Scotland: formed in 1975 from Glasgow, Renfrewshire, Lanarkshire, Buteshire, Dunbartonshire, and parts of Argyllshire, Ayrshire, and Stirlingshire; replaced in 1996 by the council areas of Glasgow, Renfrewshire, East Renfrewshire, Inverclyde, North Lanarkshire, South Lanarkshire, Argyll and Bute, East Dunbartonshire, West Dunbartonshire, North Ayrshire, South Ayrshire, and East Ayrshire
  • sutton-in-ashfield — a market town in N central England, in W Nottinghamshire. Pop: 41 951 (2001)
  • swedish gymnastics — a system of passive and active exercising of muscles and joints
  • sympathetic string — a thin wire string, as in various obsolete musical instruments, designed to vibrate sympathetically with the bowed or plucked strings to reinforce the sound.
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