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19-letter words containing a, r, d

  • gravitational field — the attractive effect, considered as extending throughout space, of matter on other matter.
  • gray-cheeked thrush — a North American thrush, Catharus minimus, having olive upper parts and grayish cheeks.
  • great crested grebe — a large Old World grebe, Podiceps cristatus, having black, earlike tufts of feathers projecting backward from the top of the head.
  • great idaean mother — Cybele.
  • great indian desert — a desert in NW India and S Pakistan. About 77,000 sq. mi. (200,000 sq. km).
  • great-grandchildren — a grandchild of one's son or daughter.
  • great-granddaughter — a granddaughter of one's son or daughter.
  • grievance procedure — the established series of steps to be taken in dealing with a grievance raised with an employer by an employee
  • ground-plane aerial — a quarter-wave vertical dipole aerial in which the electrical image forming the other quarter-wave section is formed by reflection in a system of radially disposed metal rods or in a conductive sheet
  • guillaume de lorris — 13th-century French poet who wrote the first 4058 lines of the allegorical romance, the Roman de la rose, continued by Jean de Meung
  • hairdryer treatment — (esp in sport) the practice of shouting at someone at close quarters in order to express one's displeasure at something he or she has done
  • halt and catch fire — (humour, processor)   (HCF) Any of several undocumented and semi-mythical machine instructions with destructive side-effects, supposedly included for test purposes on several well-known architectures going as far back as the IBM 360. The Motorola 6800 microprocessor was the first for which an HCF opcode became widely known. This instruction caused the processor to read every memory location sequentially until reset.
  • handlebar moustache — a man's moustache having long, curved ends that resemble the handlebars of a bicycle.
  • harmonic distortion — distortion caused by nonlinear characteristics of electronic apparatus, esp of audio amplifiers, that generate unwanted harmonics of the input frequencies
  • have an ax to grind — an instrument with a bladed head on a handle or helve, used for hewing, cleaving, chopping, etc.
  • heel-and-toe racing — race walking.
  • hemidemisemiquavers — Plural form of hemidemisemiquaver.
  • henry david thoreau — Henry David, 1817–62, U.S. naturalist and author.
  • hermetically sealed — airtight
  • highland clearances — in Scotland, the removal, often by force, of the people from some parts of the Highlands to make way for sheep, during the eighteenth and nineteenth centuries
  • highways department — the department of a state, council, etc, responsible for the upkeep of roads and highways
  • hildegard of bingen — Hildegard von (Hildegard of Bingen"Sibyl of the Rhine") 1098–1178, German nun, healer, writer, and composer.
  • honorable discharge — a discharge from military service of a person who has fulfilled obligations efficiently, honorably, and faithfully.
  • horizontal drilling — Horizontal drilling is drilling in which the direction of the wellbore is more than 80 degrees from the vertical.
  • horizontal encoding — (processor)   An instruction set where each field (a bit or group of bits) in an instruction word controls some functional unit or gate directly, as opposed to vertical encoding where instruction fields are decoded (by hard-wired logic or microcode) to produce the control signals. Horizontal encoding allows all possible combinations of control signals (and therefore operations) to be expressed as instructions whereas vertical encoding uses a shorter instruction word but can only encode those combinations of operations built into the decoding logic. An instruction set may use a mixture of horizontal and vertical encoding within each instruction. Because an architecture using horizontal encoding typically requires more instruction word bits it is sometimes known as a very long instruction word (VLIW) architecture.
  • horsehair toadstool — a small basidiomycetous fungus, Marasmius androsaceus, having a rusty coloured cap and very slender black stems. It is related to the fairy ring mushroom, but is commonly found among conifers and heather
  • household insurance — an arrangement in which you pay money to a company, and they pay money to you if your household goods are stolen or damaged
  • human rights record — the facts that are known about the tendency of a country, regime, etc, to observe and protect human rights
  • hydrochlorothiazide — a crystalline, water-insoluble powder, C 7 H 8 ClN 3 O 4 S 2 , used as a diuretic and in the treatment of hypertension.
  • hydropneumatization — utilization of air pressure in the housing of a water turbine to keep the level of water that has been used from rising to interfere with the rotor blades.
  • hydrostatic balance — a balance for finding the weight of an object submerged in water in order to determine the upthrust on it and thus determine its relative density
  • hydroxybenzoic acid — Hydroxybenzoic acid is the active ingredient in a number of drugs, for example, aspirin. Hydroxybenzoic acid is also used as a preservative.
  • hydroxybutyric acid — ketone body.
  • hydroxydaunorubicin — Doxorubicin.
  • hyperfocal distance — the distance, at a given f number, between a camera lens and the nearest point (hyperfocal point) having satisfactory definition when focused at infinity.
  • hyperparathyroidism — overactivity of the parathyroid gland, characterized by softening of the bones, with consequent pain, tenderness, and a tendency to spontaneous fractures, and by muscular weakness and abdominal cramps.
  • hyperphosphorylated — Simple past tense and past participle of hyperphosphorylate.
  • hypophosphoric acid — a tetrabasic acid, H 4 P 2 O 6 , produced by the slow oxidation of phosphorous in moist air.
  • idea of pure reason — any of the three undemonstrable entities (a personal soul, a cosmos, and a supreme being) implicit in the fact of a subject and an object of knowledge, and in the need for some principle uniting them.
  • identification card — a card giving identifying data about a person, as full name, address, age, and color of hair and eyes, and often containing a photograph: for use as identification at a place of employment, school, club, etc.
  • identification mark — barcode or serial number
  • imperial presidency — a U.S. presidency that is characterized by greater power than the Constitution allows.
  • in consideration of — the act of considering; careful thought; meditation; deliberation: I will give your project full consideration.
  • in the catbird seat — If you say that someone is in the catbird seat, you think that their situation is very good.
  • in the driving seat — If you say that someone is in the driving seat, you mean that they are in control in a situation.
  • in the tradition of — If you say that something or someone is in the tradition of a person or thing from the past, you mean that they have many features that remind you of that person or thing.
  • in this/that regard — You can use in this regard or in that regard to refer back to something that you have just said.
  • indefinite integral — a representation, usually in symbolic form, of any function whose derivative is a given function.
  • indemnity insurance — insurance covering against damage or loss
  • indeterminate vowel — schwa.
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