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18-letter words containing h, a, i, r, d, o

  • digital switchover — the process of changing the method of transmitting television from analogue to digital format
  • dihydrotachysterol — a white, crystalline, water-insoluble sterol, C 28 H 46 O, derived from ergosterol: used chiefly in the treatment of hypoparathyroidism.
  • diphosphoglycerate — an ester of phosphoric acid and glyceric acid that occurs in the blood and that promotes the release of hemoglobin-bound oxygen.
  • division algorithm — the theorem that an integer can be written as the sum of the product of two integers, one a given positive integer, added to a positive integer smaller than the given positive integer. Compare Euclidean algorithm.
  • drinking chocolate — sweetened cocoa powder
  • dry-powder inhaler — A dry-powder inhaler is a device that delivers medication to the lungs in the form of a dry powder.
  • electrocardiograph — A machine used for electrocardiography.
  • euclid's algorithm — (algorithm)   (Or "Euclidean Algorithm") An algorithm for finding the greatest common divisor (GCD) of two numbers. It relies on the identity gcd(a, b) = gcd(a-b, b) To find the GCD of two numbers by this algorithm, repeatedly replace the larger by subtracting the smaller from it until the two numbers are equal. E.g. 132, 168 -> 132, 36 -> 96, 36 -> 60, 36 -> 24, 36 -> 24, 12 -> 12, 12 so the GCD of 132 and 168 is 12. This algorithm requires only subtraction and comparison operations but can take a number of steps proportional to the difference between the initial numbers (e.g. gcd(1, 1001) will take 1000 steps).
  • feldenkrais method — a system of gentle movements that promote flexibility, coordination, and self-awareness
  • have words with sb — If one person has words with another, or if two or more people have words, they have a serious discussion or argument, especially because one has complained about the other's behaviour.
  • hermaphrodite brig — a two-masted sailing vessel, square-rigged on the foremast and fore-and-aft-rigged on the mainmast.
  • heteroscedasticity — (statistics) The property of a series of random variables of 'not' every variable having the same finite variance.
  • heteroskedasticity — Alternative spelling of heteroscedasticity.
  • higher-order macro — A means of expressing certain higher-order functions in a first order language. Proposed by Phil Wadler. Higher-order macros cannot be recursive at the top level but they may contain recursive definitions. E.g. See partial evaluation.
  • hold a reservation — If a hotel holds a reservation, it keeps a room for someone, and does not give it to someone else.
  • honorable ordinary — any of the ordinaries believed to be among those that are oldest or that were the source of the other ordinaries, as the chief, pale, fess, bend, chevron, cross, and saltire.
  • honour moderations — (at Oxford University) the first public examination, in which candidates are placed into one of three classes of honours
  • hot-water cylinder — a vertical cylindrical tank for storing hot water, esp an insulated one made of copper used in a domestic hot-water system
  • hydrocinnamic acid — a white crystalline compound, C 9 H 10 O 2 , with a floral odor, used in perfumes and flavoring.
  • hydroflumethiazide — A diuretic drug.
  • hydroxyacetic acid — glycolic acid.
  • hydroxytryptamines — Plural form of hydroxytryptamine.
  • hyperaldosteronism — aldosteronism.
  • hypoparathyroidism — Diminished concentration of parathyroid hormone in the blood, which causes deficiencies of calcium and phosphorus compounds in the blood and results in muscular spasms.
  • hyposulfurous acid — an acid, H 2 S 2 O 4 , next in a series below sulfurous acid, known only in solution or in the form of its salts.
  • in accordance with — conforming to
  • indecent behaviour — the offence of committing indecent acts
  • knight of the road — a tramp
  • lincoln's birthday — February 12, a legal holiday in some states of the U.S., in honor of the birth of Abraham Lincoln.
  • lipopolysaccharide — any of a class of polysaccharides to which lipids are attached.
  • logarithmus dualis — (mathematics)   (ld) Latin for logarithm base two. More commonly written as "log" with a subscript "2". Roughly the number of bits required to represent an integer.
  • middle-of-the-road — favoring, following, or characterized by an intermediate position between two extremes, especially in politics; moderate.
  • modular arithmetic — arithmetic in which numbers that are congruent modulo a given number are treated as the same. Compare congruence (def 2), modulo, modulus (def 2b).
  • morphine addiction — the fact or condition of being addicted to morphine
  • mucopolysaccharide — (formerly) glycosaminoglycan.
  • neighborhood watch — a neighborhood surveillance program or group in which residents keep watch over one another's houses, patrol the streets, etc., in an attempt to prevent crime.
  • neuropsychodynamic — Of or pertaining to neuropsychodynamics.
  • northeast corridor — the long, narrow strip of land between Boston, New York City, and Washington, D.C., containing many adjacent urban areas.
  • norwegian elkhound — one of a breed of dogs having a short, compact body, short, pointed ears, and a thick, gray coat, raised originally in Norway for hunting elk and other game.
  • officer of the day — an officer who has charge of the guard and prisoners on an assigned day at a military installation. Abbreviation: OD, O.D., O.O.D.
  • on the danger list — critically ill in hospital
  • orthophthalic acid — Chemistry. any of three isomeric acids having the formula C 8 H 6 O 4 , especially the ortho isomer (orthophthalic acid) a colorless, crystalline, slightly water-soluble solid used chiefly in the manufacture of dyes, medicine, and perfume.
  • orthotungstic acid — an oxyacid acid of tungsten. Formula: H2WO4
  • over and done with — If you say that something is over and done with, you mean that it is completely finished and you do not have to think about it any more.
  • paint the town red — a substance composed of solid coloring matter suspended in a liquid medium and applied as a protective or decorative coating to various surfaces, or to canvas or other materials in producing a work of art.
  • parathyroid glands — any of several small oval glands usually lying near or embedded in the thyroid gland.
  • phantom withdrawal — the unauthorized removal of funds from a bank account using an automated teller machine
  • phosphatidylserine — any of a class of phospholipids occurring in biological membranes and fats
  • pitch-and-run shot — chip shot.
  • positively charged — having a positive charge
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