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17-letter words containing r, h, d, n

  • holding operation — a plan or procedure devised to prolong the existing situation
  • homeland security — national defence
  • hornblende schist — a variety of schist containing needles of hornblende that lie in parallel planes.
  • hot-and-sour soup — a spicy Chinese soup made with pork, chicken, beans, vinegar, etc., served hot
  • hottentot's bread — elephant's-foot.
  • hundred-percenter — a completely patriotic, sometimes jingoistic person.
  • hurler's syndrome — a medical condition characterized by physical deformity and mental deficiency
  • hydrofluorocarbon — Any of a class of partly chlorinated and fluorinated hydrocarbons, used as an alternative to chlorofluorocarbons in foam production, refrigeration, and other processes.
  • hydrogasification — a high-temperature, high-pressure process for producing liquid or gaseous fuels from fine particles of coal and hydrogen gas
  • hydrogen chloride — a colorless gas, HCl, having a pungent odor: the anhydride of hydrochloric acid.
  • hydrogen fluoride — a colorless corrosive gas, HF, the anhydride of hydrofluoric acid, used chiefly as a catalyst and in the fluorination of hydrocarbons.
  • hydrogen peroxide — a colorless, unstable, oily liquid, H 2 O 2 , an aqueous solution of which is used chiefly as an antiseptic and a bleaching agent.
  • hydrogen sulphide — Chemistry
  • hydrothermal vent — an opening on the floor of the sea from which hot, mineral-rich solutions issue. Compare vent1 (def 2).
  • hydroxytryptamine — (organic compound) Any hydroxy derivative of tryptamine, but especially 5-hydroxytryptamine (serotonin).
  • hypochondriacally — In a hypochondriacal manner.
  • hypodermic needle — a hollow needle used to inject solutions subcutaneously.
  • hypophrygian mode — a plagal church mode represented on the white keys of a keyboard instrument by an ascending scale from B to B, with the final on E.
  • icosidodecahedron — A semiregular polyhedron with twelve faces that are regular pentagons and twenty that are equilateral triangles.
  • icositetrahedrons — Plural form of icositetrahedron.
  • in broad daylight — openly, in full public view
  • in double harness — in a harness for two animals pulling the same carriage, plow, etc.
  • in the background — behind the focus of attention
  • in the wilderness — If politicians or other well-known people spend time in the wilderness, they are not in an influential position or very active in their profession for that time.
  • in/with regard to — You can use with regard to or in regard to to indicate the subject that is being talked or written about.
  • indecipherability — Quality of being indecipherable.
  • indian paintbrush — any of several semiparasitic plants belonging to the genus Castilleja, of the figwort family, as C. linariaefolia, of the western U.S.: the state flower of Wyoming.
  • indirect lighting — reflected or diffused light, used especially in interiors to avoid glare or shadows.
  • industrial school — a school for teaching one or more branches of industry; trade or vocational school.
  • integrated school — (in New Zealand) a private or church school that has joined the state school system
  • interdental brush — a small brush that is used to clean between the teeth
  • intermediate host — the host in which a parasite undergoes development but does not reach sexual maturity.
  • interrupt handler — (software)   A routine which is executed when an interrupt occurs. Interrupt handlers typically deal with low-level events in the hardware of a computer system such as a character arriving at a serial port or a tick of a real-time clock. Special care is required when writing an interrupt handler to ensure that either the interrupt which triggered the handler's execution is masked out (inhibitted) until the handler exits, or the handler is re-entrant so that multiple concurrent invocations will not interfere with each other. If interrupts are masked then the handler must execute as quickly as possible so that important events are not missed. This is often arranged by splitting the processing associated with the event into "upper" and "lower" halves. The lower part is the interrupt handler which masks out further interrupts as required, checks that the appropriate event has occurred (this may be necessary if several events share the same interrupt), services the interrupt, e.g. by reading a character from a UART and writing it to a queue, and re-enabling interrupts. The upper half executes as part of a user process. It waits until the interrupt handler has run. Normally the operating system is responsible for reactivating a process which is waiting for some low-level event. It detects this by a shared flag or by inspecting a shared queue or by some other synchronisation mechanism. It is important that the upper and lower halves do not interfere if an interrupt occurs during the execution of upper half code. This is usually ensured by disabling interrupts during critical sections of code such as removing a character from a queue.
  • isherwood framing — a system for framing steel vessels in which light, closely spaced, longitudinal frames are connected by heavy, widely spaced transverse frames with deep webs.
  • italian greyhound — one of an Italian breed of toy dogs resembling a greyhound.
  • jammu and kashmir — official name of Kashmir (def 2).
  • lagrange's method — a procedure for finding maximum and minimum values of a function of several variables when the variables are restricted by additional conditions.
  • lanthanide series — the series of rare-earth elements of atomic numbers 57 through 71 (lanthanum through lutetium).
  • life and/or death — If you say that something is a matter of life and death, you are emphasizing that it is extremely important, often because someone may die or suffer great harm if people do not act immediately.
  • manufactured home — a prefabricated house, assembled in modular sections.
  • martha's vineyard — an island off SE Massachusetts: summer resort. About 100 sq. mi. (259 sq. km).
  • mass merchandiser — a retailer or retail store that seeks to sell large quantities of goods quickly through such means as discounting, customer self-service, or unadorned display and packaging, as in a warehouse.
  • mechanical digger — a machine used for excavation
  • merchant of death — a company, nation, or person that sells military arms on the international market, usually to the highest bidder and without scruple or regard for political ramifications.
  • methylidyne group — the trivalent group ≡CH.
  • middle of nowhere — a completely isolated, featureless, or insignificant place
  • mies van der rohe — Ludwig [luhd-wig] /ˈlʌd wɪg/ (Show IPA), 1886–1969, U.S. architect, born in Germany.
  • mitochondrial dna — DNA found in mitochondria, which contains some structural genes and is generally inherited only through the female line
  • modern pentathlon — an athletic contest consisting of five different events: horse riding with jumps, fencing with electric épée, freestyle swimming, pistol shooting, and cross-country running
  • montessori method — a system for teaching young children, in which the fundamental aim is self-motivated education by the children themselves, as they are encouraged to move freely through individualized instruction and physical exercises, accompanied by special emphasis on the training of the senses and the early development of reading and writing skills.
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