23-letter words containing h, a, c, i, o

parametric polymorphism — Polymorphism was first identified by Christopher Strachey in 1967 and developed by Hindley and Milner. For example we could specify that the argument of the "head" function was a list without specifying a type for the elements of the list. In Haskell we would write: head :: [a] -> a meaning head has type function from "list of a" to "a" where "a" is a type variable). This is known as parametric polymorphism. Polymorphic typing allows strong type checking as well as generic functions. ML in 1976 was the first language with polymorphic typing. See also generic type variable.
pentachloronitrobenzene — a crystalline compound, C 6 Cl 5 NO 2 , used as an herbicide and insecticide. Abbreviation: PCNB.
pharmaceuticals company — a company specialising in developing and marketing pharmaceuticals
photoelectric magnitude — the magnitude of a star determined using a photometer plus a filter to select light or other radiation of the desired wavelength
phyletic classification — classification of organisms based on their assumed evolutionary histories and relationships.
physical memory address — physical address
physiological phonetics — the branch of phonetics that deals with the motive processes, anatomical measurements, spirometric properties, muscle and membrane tone, and kinetic aspects of the production of speech and with related aspects of the reception of speech.
pithecanthropus erectus — Java man
precipitation hardening — a process in which alloys are strengthened by the formation, in their lattice, of a fine dispersion of one component when the metal is quenched from a high temperature and aged at an intermediate temperature
price out of the market — to charge so highly for as to prevent the sale, hire, etc, of
process hazard analysis — Process hazard analysis is calculating what might be a hazard in a process, how likely it is to happen, and what should be done if someone or something is exposed to this hazard.
psychomotor retardation — a generalized slowing of psychological and physical activity, frequently occurring as a symptom of severe depression.
public-key cryptography — public-key encryption
put the record straight — to correct an error or misunderstanding
queen charlotte islands — a group of about 150 islands off the W coast of Canada: part of British Columbia. Pop: about 6000 (latest est). Area: 9596 sq km (3705 sq miles)
quota share reinsurance — Quota share reinsurance is a form of reinsurance in which the reinsurer accepts a certain percentage of all or certain parts of the business of the reinsured person or company.
russian orthodox church — the national Church of Russia, constituting a branch of the Eastern Church, presided over by the Patriarch of Moscow
saddle block anesthesia — a form of spinal anesthesia that produces loss of sensation in the buttocks, perineum, and inner thighs.
saint christopher-nevis — St. Kitts-Nevis.
schizotypal personality — a personality disorder characterized by a group of symptoms similar to but less severe than schizophrenia, as odd behavior, peculiar thinking, and social isolation.
school (crossing) guard — a person, either an adult or an older student, whose duty it is to help children cross streets near schools safely
scottish national party — a political party advocating the independence of Scotland, founded in 1934
sheltered accommodation — housing specially designed to provide a safe environment for the elderly, handicapped, or disabled, often with some shared facilities and a caretaker
smash someone's face in — to beat someone severely
staggered directorships — a defence against unwelcome takeover bids in which a company resolves that its directors should serve staggered terms of office and that no director can be removed from office without just cause, thus preventing a bidder from controlling the board for some years
take sthing on the chin — If you say that someone took something on the chin, you mean that they accepted an unpleasant or difficult situation bravely and without making a lot of fuss about it.
the chamber of deputies — the lower legislative assembly in some parliaments
the data protection act — a United Kingdom act of parliament designed to ensure the proper handling of information stored about individuals on computers and entitling individuals to find out what information is stored about them
the library of congress — the official library of the United States in Washington, DC. It houses extensive collections in all subject areas and formats, important historical documents, and is also a depository for copyrighted materials.
the metropolitan police — the police organization that is responsible for Greater London, excluding the City of London
the scottish parliament — the devolved national legislature of Scotland, located in Edinburgh
the teaching profession — the profession of a teacher
the thrill of the chase — If you talk about the thrill of the chase, you are referring to the excitement that people feel when they are trying hard to get something.
thompson submachine gun — a portable, .45-caliber, automatic weapon designed to be fired from the shoulder or hip.
to have a police record — If you say that somebody has a police record, you mean that they have committed a crime or crimes and the police have a record of this.
to keep a straight face — If you manage to keep a straight face, you manage to look serious, although you want to laugh.
to rise to the occasion — If you say that someone rose to the occasion, you mean that they did what was necessary to successfully overcome a difficult situation.
to stick in your throat — If something sticks in your throat, you find it unacceptable.
to wipe the slate clean — If you wipe the slate clean, you decide to forget previous mistakes, failures, or debts and to start again.
trigonal trisoctahedron — a trisoctahedron whose faces are triangles.
unconditional discharge — the release of a defendant without having to spend time on parole or probation
united church of canada — the largest Protestant denomination in Canada, formed in the 1920s by incorporating some Presbyterians and most Methodists
vestibulocochlear nerve — either one of the eight pairs of cranial nerves that supply the cochlea and semicircular canals of the internal ear and contribute to the sense of hearing
viscount horatio nelson — Viscount Horatio, 1758–1805, British admiral.
what makes someone tick — the basic drive or motivation of a person
when the chips are down — a small, slender piece, as of wood, separated by chopping, cutting, or breaking.
white-coat hypertension — the phenomenon of having elevated blood pressure only during a medical consultation
yellow-headed blackbird — a North American blackbird, Xanthocephalus xanthocephalus, having a yellow head.
you can't go home again — a novel (1940) by Thomas Wolfe.

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