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18-letter words containing h, a, e, m

  • capital punishment — Capital punishment is punishment which involves the legal killing of a person who has committed a serious crime such as murder.
  • carboxyhaemoglobin — haemoglobin coordinated with carbon monoxide, formed as a result of carbon monoxide poisoning. As carbon monoxide is bound in preference to oxygen, tissues are deprived of oxygen
  • carpenterworm moth — any moth of the family Cossidae, as Prionoxystus robiniae of the U.S. and southern Canada, whose larvae bore into the trunks and branches of oaks, locusts, and other trees.
  • chamber of horrors — a room, for example in a waxworks, containing objects, images or representations of people or scenes that are believed likely to frighten or horrify visitors
  • chambered nautilus — nautilus (def 1).
  • changement de pied — a jump in which the dancer's feet are reversed from the starting position.
  • chemical machining — the shaping of a metal part by controlled removal of unwanted metal by a flow of chemical solutions
  • chemical potential — a thermodynamic function of a substance in a system that is the partial differential of the Gibbs function of the system with respect to the number of moles of the substance
  • chemical pregnancy — a pregnancy that is confirmed by a pregnancy test but not by clinical signs and terminates before clinical signs can be observed.
  • chew someone's ear — to reprimand severely
  • chinese watermelon — a tropical Asian vine, Benincasa hispida, of the gourd family, having a brown, hairy stem, large, solitary, yellow flowers, and white, melonlike fruit.
  • chlorobromomethane — a clear, colorless, volatile, nonflammable liquid, CH 2 ClBr, used chiefly as an extinguishing agent in fire extinguishers and as a solvent in organic synthesis.
  • christian democrat — a member or supporter of a Christian Democratic party
  • christian reformed — of or relating to a Protestant denomination (Christian Reformed Church) organized in the U.S. in 1857 by groups that had seceded from the Dutch Reformed Church.
  • chromatic semitone — the pitch difference between one note and its sharpened or flattened equivalent
  • chromolithographer — One engaged in chromolithography.
  • climbing hydrangea — a woody vine, Hydrangea anomala, of eastern Asia, having shiny, egg-shaped leaves and flat-topped white flower clusters, and climbing by aerial rootlets.
  • clobbering machine — pressure to conform with accepted standards
  • combustion chamber — an enclosed space in which combustion takes place, such as the space above the piston in the cylinder head of an internal-combustion engine or the chambers in a gas turbine or rocket engine in which fuel and oxidant burn
  • come back to earth — to return to reality from a fantasy or daydream
  • come the raw prawn — to attempt deception
  • commander in chief — Also, Commander in Chief. the supreme commander of the armed forces of a nation or, sometimes, of several allied nations: The president is the Commander in Chief of the U.S. Army, Navy, and Air Force.
  • commander-in-chief — A commander-in-chief is a senior officer who is in charge of all the forces in a particular area.
  • commercial attache — an attaché in an embassy or legation representing the commercial interests of his or her country.
  • commercial vehicle — a vehicle for carrying goods or (less commonly) passengers
  • commodity exchange — an exchange where commodities are traded
  • commonwealth games — an event held every four years in which sportspeople from the countries of the Commonwealth compete
  • comparative method — a body of procedures and criteria used by linguists to determine whether and how two or more languages are related and to reconstruct forms of their hypothetical parent language.
  • comparison shopper — an employee of a retail store hired to visit competing stores in order to gather information regarding styles, quality, prices, etc., of merchandise offered by competitors.
  • considered harmful — (programming, humour)   A type of phrase based on the title of Edsger W. Dijkstra's famous note in the March 1968 Communications of the ACM, "Goto Statement Considered Harmful", which fired the first salvo in the structured programming wars. Amusingly, the ACM considered the resulting acrimony sufficiently harmful that it will (by policy) no longer print articles taking so assertive a position against a coding practice. In the ensuing decades, a large number of both serious papers and parodies bore titles of the form "X considered Y". The structured-programming wars eventually blew over with the realisation that both sides were wrong, but use of such titles has remained as a persistent minor in-joke.
  • cot death syndrome — the unexplained sudden death of an infant during sleep
  • crystal microphone — a microphone that uses a piezoelectric crystal to convert sound energy into electrical energy
  • cunninghame graham — R(obert) B(ontine). 1852–1936, Scottish traveller, writer, and politician, noted for his essays and short stories: first president (1928) of the Scottish Nationalist Party
  • deanthropomorphism — the ridding of philosophy or religion of anthropomorphic beliefs and doctrines.
  • deep-sea fisherman — a person who takes part in deep-sea fishing
  • demorgan's theorem — (logic)   A logical theorem which states that the complement of a conjunction is the disjunction of the complements or vice versa. In symbols: not (x and y) = (not x) or (not y) not (x or y) = (not x) and (not y) E.g. if it is not the case that I am tall and thin then I am either short or fat (or both). The theorem can be extended to combinations of more than two terms in the obvious way. The same laws also apply to sets, replacing logical complement with set complement, conjunction ("and") with set intersection, and disjunction ("or") with set union. A (C) programmer might use this to re-write if (!foo && !bar) ... as if (!(foo || bar)) ... thus saving one operator application (though an optimising compiler should do the same, leaving the programmer free to use whichever form seemed clearest).
  • dermot macmurrough — ?1110–71, king of Leinster, who, by enlisting the support of the English to win back his kingdom, was responsible for the English conquest of Ireland
  • destruct mechanism — a mechanism that causes the destruction of a rocket or missile when activated
  • determinate growth — growth of a plant stem that is terminated early by the formation of a bud
  • diatomaceous earth — an unconsolidated form of diatomite
  • digital humanities — (used with a singular verb) the study of literature, philosophy, etc., as facilitated by computer technology or digital media: Digital humanities uses data analysis to find patterns in large bodies of text. the set of methodologies used in such scholarship.
  • dimethyltryptamine — a hallucinogenic drug, C 12 H 16 N 2 , with an action of short duration. Abbreviation: DMT.
  • diplomatic shuttle — a series of diplomatic visits to other states made by an official, such as an ambassador or envoy
  • disenfranchisement — to disfranchise.
  • disodium phosphate — sodium phosphate (def 2).
  • dispatch documents — documents sent with a parcel, etc, detailing information such as contents, delivery address, etc
  • double achievement — a representation of the arms of a husband beside those of his wife such that a difference of rank between them is shown.
  • dr. james h. clark — (person)   The founder of Silicon Graphics, Inc. and co-founder of Netscape Communications Corporation.
  • drug on the market — Pharmacology. a chemical substance used in the treatment, cure, prevention, or diagnosis of disease or used to otherwise enhance physical or mental well-being.
  • eastern hemisphere — the eastern part of the terrestrial globe, including Asia, Africa, Australia, and Europe.
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