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18-letter words containing c, h, a, r, g

  • diphosphoglycerate — an ester of phosphoric acid and glyceric acid that occurs in the blood and that promotes the release of hemoglobin-bound oxygen.
  • discharge printing — a fabric-printing method in which the material is dyed and then certain areas are discharged so as to permit the original hue or its color replacement to act as a pattern against the colored ground.
  • drinking chocolate — sweetened cocoa powder
  • echoencephalograph — a device that employs reflected ultrasonic waves to examine the position of brain structures.
  • economic geography — a branch of geography that deals with the relation of physical and economic conditions to the production and utilization of raw materials and their manufacture into finished products.
  • eggshell porcelain — a type of very thin translucent porcelain originally made in China
  • electric discharge — electricity emitted
  • electrocardiograph — A machine used for electrocardiography.
  • electrophotography — Any of several methods of photocopying in which an image is created and then transferred between surfaces using static electricity.
  • 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).
  • exchange programme — an arrangement in which people from different countries visit each other's country, perhaps to strengthen links between them or to improve foreign language skills
  • farm the long acre — to graze cows on the verge of a road
  • fracture toughness — The fracture toughness of a material is how likely it is to resist fracture.
  • free-range chicken — a chicken kept in natural nonintensive conditions
  • furnishing fabrics — fabrics used to make and cover furniture
  • gas chromatography — a chromatograph used for the separation of volatile substances.
  • gas-discharge tube — any tube in which an electric discharge takes place through a gas
  • genetic algorithms — genetic algorithm
  • grandfather clause — U.S. History. a clause in the constitutions of some Southern states after 1890 intended to permit whites to vote while disfranchising blacks: it exempted from new literacy and property qualifications for voting those men entitled to vote before 1867 and their lineal descendants.
  • greater manchester — a metropolitan county in central England, with the city of Manchester as its center. 498 sq. mi. (1290 sq. km).
  • greater pichiciego — an armadillo, Burmeisteria retusa, similar to, but larger than, a pichiciego
  • green-backed heron — a small, American heron, Butorides striatus, having glossy green wings.
  • haemorrhagic fever — any of a group of fevers, such as Ebola virus disease and yellow fever, characterized by internal bleeding or bleeding into the skin
  • haulage contractor — a person or firm that transports goods by lorry
  • heart-lung machine — a device through which blood is shunted temporarily for oxygenation during surgery, while the heart or a lung is being repaired.
  • highbush cranberry — a shrub, Viburnum trilobum, of northern North America, having broad clusters of white flowers and edible scarlet berries.
  • higher mathematics — the advanced portions of mathematics, customarily considered as embracing all beyond ordinary arithmetic, geometry, algebra, and trigonometry.
  • 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.
  • histomorphological — histology.
  • historical geology — the branch of geology dealing with the history of the earth.
  • horseless carriage — an automobile: The horse and buggy were eventually replaced by the horseless carriage.
  • hypogastric artery — iliac artery (def 3).
  • immunopharmacology — the branch of pharmacology concerned with the immune system
  • incidental charges — Incidental charges are costs of items and services that are not part of the main bill.
  • interchangeability — (of two things) capable of being put or used in the place of each other: interchangeable symbols.
  • lactogenic hormone — prolactin.
  • laugh out of court — to express mirth, pleasure, derision, or nervousness with an audible, vocal expulsion of air from the lungs that can range from a loud burst of sound to a series of quiet chuckles and is usually accompanied by characteristic facial and bodily movements.
  • launching ceremony — a ceremony that celebrates the launch of a ship for the first time into the water
  • legislative branch — the branch of government having the power to make laws; the legislature.
  • lighting cameraman — the person who designs and supervises the lighting of scenes to be filmed
  • lithostratigraphic — Of or pertaining to lithostratigraphy.
  • logarithmic spiral — log r = aθ
  • magic switch story — Some years ago, I was snooping around in the cabinets that housed the MIT AI Lab's PDP-10, and noticed a little switch glued to the frame of one cabinet. It was obviously a homebrew job, added by one of the lab's hardware hackers (no-one knows who). You don't touch an unknown switch on a computer without knowing what it does, because you might crash the computer. The switch was labelled in a most unhelpful way. It had two positions, and scrawled in pencil on the metal switch body were the words "magic" and "more magic". The switch was in the "more magic" position. I called another hacker over to look at it. He had never seen the switch before either. Closer examination revealed that the switch had only one wire running to it! The other end of the wire did disappear into the maze of wires inside the computer, but it's a basic fact of electricity that a switch can't do anything unless there are two wires connected to it. This switch had a wire connected on one side and no wire on its other side. It was clear that this switch was someone's idea of a silly joke. Convinced by our reasoning that the switch was inoperative, we flipped it. The computer instantly crashed. Imagine our utter astonishment. We wrote it off as coincidence, but nevertheless restored the switch to the "more magic" position before reviving the computer. A year later, I told this story to yet another hacker, David Moon as I recall. He clearly doubted my sanity, or suspected me of a supernatural belief in the power of this switch, or perhaps thought I was fooling him with a bogus saga. To prove it to him, I showed him the very switch, still glued to the cabinet frame with only one wire connected to it, still in the "more magic" position. We scrutinized the switch and its lone connection, and found that the other end of the wire, though connected to the computer wiring, was connected to a ground pin. That clearly made the switch doubly useless: not only was it electrically nonoperative, but it was connected to a place that couldn't affect anything anyway. So we flipped the switch. The computer promptly crashed. This time we ran for Richard Greenblatt, a long-time MIT hacker, who was close at hand. He had never noticed the switch before, either. He inspected it, concluded it was useless, got some diagonal cutters and diked it out. We then revived the computer and it has run fine ever since. We still don't know how the switch crashed the machine. There is a theory that some circuit near the ground pin was marginal, and flipping the switch changed the electrical capacitance enough to upset the circuit as millionth-of-a-second pulses went through it. But we'll never know for sure; all we can really say is that the switch was magic. I still have that switch in my basement. Maybe I'm silly, but I usually keep it set on "more magic".
  • magnetorheological — (physics) describing a substance whose rheological properties are modified by a magnetic field.
  • marine archaeology — the branch of archaeology that deals with the recovery of ancient objects found beneath the sea, as shipwrecks or remains from submerged islands, and with the techniques of underwater exploration, excavation, and retrieval.
  • marketing research — the study of influences upon customer and consumer behaviour and the analysis of market characteristics and trends
  • mechanical drawing — drawing, as of machinery, done with the aid of rulers, scales, compasses, etc.
  • menthol cigarettes — cigarettes that are flavoured with menthol
  • mergui archipelago — a group of over 200 islands in the Andaman Sea, off the Tenasserim coast of S Myanmar: mountainous and forested
  • metacentric height — the distance between the center of gravity and the metacenter of a floating body, as of a vessel.
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