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17-letter words containing h, a, r, l, d

  • hydroelectrically — Using hydroelectric power.
  • hydrofluoric acid — a colorless, fuming, corrosive liquid, HF, an aqueous solution of hydrogen fluoride, used chiefly for etching glass.
  • hydrofluorocarbon — Any of a class of partly chlorinated and fluorinated hydrocarbons, used as an alternative to chlorofluorocarbons in foam production, refrigeration, and other processes.
  • hydrotherapy pool — a pool of water used for hydrotherapy
  • hydrothermal vent — an opening on the floor of the sea from which hot, mineral-rich solutions issue. Compare vent1 (def 2).
  • hypochlorous acid — a weak, unstable acid, HOCl, existing only in solution and in the form of its salts, used as a bleaching agent and disinfectant.
  • hypochondriacally — In a hypochondriacal manner.
  • in broad daylight — openly, in full public view
  • in double harness — in a harness for two animals pulling the same carriage, plow, etc.
  • indecipherability — Quality of being indecipherable.
  • 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
  • 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.
  • italian greyhound — one of an Italian breed of toy dogs resembling a greyhound.
  • ladder-back chair — a chair with a back of two upright posts connected by horizontal slats
  • 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).
  • le morte d'arthur — a compilation and translation of French Arthurian romances by Sir Thomas Malory, printed by Caxton in 1485.
  • lead to the altar — to marry
  • lee harvey oswald — Lee Harvey, 1939–63, designated by a presidential commission to be the lone assassin of John F. Kennedy.
  • 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.
  • loggerhead shrike — a common, North American shrike, Lanius ludovicianus, gray above and white below with black wings, tail, and facial mask.
  • loggerhead turtle — a sea turtle, Caretta caretta, having a large head: now greatly reduced in number.
  • machado y morales — Gerardo [he-rahr-th aw] /hɛˈrɑr ðɔ/ (Show IPA), 1871–1939, president of Cuba 1925–33.
  • mechanical digger — a machine used for excavation
  • medicochirurgical — pertaining to medicine and surgery.
  • meech lake accord — the agreement reached in 1987 at Meech Lake, Quebec, at a Canadian federal-provincial conference that accepted Quebec's conditions for signing the Constitution Act of 1982. The Accord lapsed when the legislatures of two provinces, Newfoundland and Quebec, failed to ratify it by the deadline of June 23, 1990
  • 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
  • modulo arithmetic — modular arithmetic
  • muscle dysmorphia — a mental disorder primarily affecting males, characterized by obsessions about a perceived lack of muscularity, leading to compulsive exercising, use of anabolic steroids, etc. Compare body dysmorphic disorder.
  • narrow-shouldered — having shoulders which do not extend very far from the neck; not broad-shouldered
  • nuclear threshold — the point in war at which a combatant brings nuclear weapons into use
  • old norman french — Norman French (sense 1)
  • old orchard beach — a resort town in S Maine.
  • old south arabian — a group of four closely related Semitic languages, having a writing system and used from about the eighth to the fifth centuries b.c. in the southern part of Arabia.
  • old spanish trail — an overland route from Santa Fe, N. Mex., to Los Angeles, Calif., first marked out in 1776 by Spanish explorers and missionaries.
  • on the barrelhead — upon being presented for sale; at the time of delivery
  • overhead lighting — lighting which throws light downwards by being situated on the ceiling or having a downward shade, etc
  • parathyroid gland — any of several small oval glands usually lying near or embedded in the thyroid gland.
  • partially sighted — unable to see properly so that even with corrective aids normal activities are prevented or seriously hindered
  • peripheral device — peripheral
  • phenylformic acid — benzoic acid.
  • platinic chloride — chloroplatinic acid.
  • plug and feathers — an apparatus for splitting stone, consisting of two tapered bars (feathers) inserted into a hole drilled into the stone, between which a narrow wedge (plug) is hammered to spread them.
  • prothoracic gland — either of a pair of endocrine glands in the anterior thorax of some insects, functioning to promote the series of molts from hatching to adulthood.
  • pseudepigraphical — certain writings (other than the canonical books and the Apocrypha) professing to be Biblical in character.
  • pseudo-historical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
  • pull your head in — be quiet!
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