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19-letter words containing a, d, h, e, r

  • dominance hierarchy — a system or set of relationships in animal groups that is based on a hierarchical ranking, usually established and maintained by behavior in aggressive encounters: one or a few members hold the highest rank and the others are submissive to those ranking higher and dominant to those ranking lower.
  • don the baggy green — to represent Australia at Test cricket
  • double-helical gear — herringbone gear.
  • draw in one's horns — one of the bony, permanent, hollow paired growths, often curved and pointed, that project from the upper part of the head of certain ungulate mammals, as cattle, sheep, goats, or antelopes.
  • draw the color line — to impose or accept the color line
  • draw the curtain on — to end
  • drink the health of — to salute or celebrate with a toast
  • dutchman's-breeches — a plant, Dicentra cucullaria, of the fumitory family, having long clusters of pale-yellow, two-spurred flowers.
  • early purple orchid — a Eurasian orchid, Orchis mascula, with purplish-crimson flowers and stems marked with blackish-purple spots
  • east dunbartonshire — a council area of central Scotland to the N of Glasgow: part of Strathclyde region from 1975 until 1996: mainly agricultural and residential. Administrative centre: Kirkintilloch. Pop: 106 970 (2003 est). Area: 172 sq km (66 sq miles)
  • electrocardiographs — Plural form of electrocardiograph.
  • electrocardiography — The measurement of electrical activity in the heart and the recording of such activity as a visual trace (on paper or on an oscilloscope screen), using electrodes placed on the skin of the limbs and chest.
  • electrohydrodynamic — (physics) Of or pertaining to electrohydrodynamics.
  • euclidean algorithm — Euclid's Algorithm
  • fair-weather friend — a person who cannot be relied on in situations of hardship or difficulty
  • feather-duster worm — any tube-dwelling polychaete worm of the families Sabellidae and Serpulidae, the numerous species having a crown of feathery tentacles used in feeding and respiration.
  • feather-tail glider — pygmy glider.
  • fernando de noronha — an island in the S Atlantic, about 125 miles (200 km) E of easternmost tip of Brazil: a Brazilian penal colony. 10 sq. mi. (26 sq. km).
  • feynman, richard p. — Richard P. Feynman
  • finds its/their way — If something finds its way somewhere, it comes to that place, especially by chance.
  • fixed exchange rate — finance: set rate of exchange
  • fluoride toothpaste — toothpaste containing a small amount of fluoride as protection against tooth decay
  • frederick the great — Frederick I (def 2).
  • free alongside ship — (of a shipment of goods) delivered to the dock without charge to the buyer, but excluding the cost of loading onto the vessel
  • freedom of the seas — the doctrine that ships of neutral countries may sail anywhere on the high seas without interference by warring powers.
  • geothermal gradient — the increase in temperature with increasing depth within the earth.
  • go under the hammer — to be offered for sale by an auctioneer
  • goldbach conjecture — an unproved theorem that every even integer greater than 2 can be written as the sum of two prime numbers.
  • grand duke nicholas — of Cusa [kyoo-zuh] /ˈkyu zə/ (Show IPA), 1401–1464, German cardinal, mathematician, and philosopher. German Nikolaus von Cusa.
  • grandfather's chair — wing chair.
  • grandfather's clock — a pendulum floor clock having a case as tall as or taller than a person; tall-case clock; long-case clock.
  • grandmother's clock — a pendulum clock similar to a grandfather's clock but shorter.
  • gray-cheeked thrush — a North American thrush, Catharus minimus, having olive upper parts and grayish cheeks.
  • great idaean mother — Cybele.
  • great-grandchildren — a grandchild of one's son or daughter.
  • great-granddaughter — a granddaughter of one's son or daughter.
  • 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.
  • 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 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
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