18-letter words containing a, r, h, t

eat your heart out — Anatomy. a hollow, pumplike organ of blood circulation, composed mainly of rhythmically contractile smooth muscle, located in the chest between the lungs and slightly to the left and consisting of four chambers: a right atrium that receives blood returning from the body via the superior and inferior vena cavae, a right ventricle that pumps the blood through the pulmonary artery to the lungs for oxygenation, a left atrium that receives the oxygenated blood via the pulmonary veins and passes it through the mitral valve, and a left ventricle that pumps the oxygenated blood, via the aorta, throughout the body.
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.
electrotherapeutic — Relating to electrotherapeutics.
elementary teacher — a teacher in an elementary school
elizabeth petrovna — 1709-62; empress of Russia (1741-62): daughter of Peter I
established church — a Church that is officially recognized as a national institution, esp the Church of England
establishmentarian — Adhering to, advocating, or relating to the principle of an established church.
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).
every now and then — from time to time; occasionally
executive chairman — the most senior internal position within a company, combining the duties of chairman and chief executive
fall to the ground — (of a plan, theory, etc) to be rendered invalid, esp because of lack of necessary information
family-tree theory — a theory that describes language change in terms of genetically related languages developing in successive splits from a common parent language, such as Indo-European, as depicted by a family tree diagram.
farm the long acre — to graze cows on the verge of a road
farmer in the dell — a game, accompanied by a song with several verses, in which one person, designated as the farmer, occupies the center of a circle of persons and is joined in the circle by other players designated as wife, child, nurse, cat, rat, and cheese, these then leaving the circle in order except for the one designated as cheese, who is left standing alone in the circle at the end.
feast of orthodoxy — a solemn festival held on the first Sunday of Lent (Orthodoxy Sunday) commemorating the restoration of the use of icons in the church (a.d. 842) and the triumph over all heresies.
feather one's nest — one of the horny structures forming the principal covering of birds, consisting typically of a hard, tubular portion attached to the body and tapering into a thinner, stemlike portion bearing a series of slender, barbed processes that interlock to form a flat structure on each side.
feldenkrais method — a system of gentle movements that promote flexibility, coordination, and self-awareness
fifth monarchy men — (during the Commonwealth in the 17th century) a militant sect of Puritans who identified the fifth monarchy with the millennial reign of Christ and who believed they should help to inaugurate that reign by force.
fourth commandment — “Remember the sabbath day, to keep it holy”: fourth of the Ten Commandments.
fourth normal form — database normalisation
fracture toughness — The fracture toughness of a material is how likely it is to resist fracture.
french west africa — a former French federation in W Africa, including Dahomey (now Benin), French Guinea, French Sudan (now Mali), Ivory Coast, Mauritania, Niger, Senegal, and Upper Volta (now Burkina Fasso).
from hand to mouth — the terminal, prehensile part of the upper limb in humans and other primates, consisting of the wrist, metacarpal area, fingers, and thumb.
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
general anesthesia — induced unconsciousness
genetic algorithms — genetic algorithm
get the upper hand — gain advantage
give sb their head — If you give someone their head, you allow them to do what they want to do, without trying to advise or stop them.
gladden sb's heart — If you say that something gladdens someone's heart, you mean that it makes them feel pleased and hopeful.
go for the jugular — Anatomy. of or relating to the throat or neck. noting or pertaining to any of certain large veins of the neck, especially one (external jugular vein) collecting blood from the superficial parts of the head or one (internal jugular vein) collecting blood from within the skull.
go to the bathroom — use the toilet
go with the stream — to conform to the accepted standards
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.
grease the palm of — to influence by giving money to; bribe
great white father — the president of the U.S.
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
greater shearwater — a sooty-brown and white shearwater, Puffinus gravis, of eastern coasts of the Western Hemisphere.
half-open interval — a set of numbers between two given numbers but including only one endpoint.
hamilton's problem — Hamiltonian problem
handkerchief table — corner table.
handlebar mustache — A handlebar mustache is a long thick mustache with curled ends.
harnessed antelope — any African antelope of the genus Tragelaphus, especially the bushbuck, having the body marked with white stripes and spots that resemble a harness, and, in the male, long, gently spiraling horns.
haud your wheesht! — be silent! hush!
haulage contractor — a person or firm that transports goods by lorry
have by the throat — to have compete control over (a person or thing)
have money to burn — to have more money than one needs, so that some can be spent foolishly

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