23-letter words containing h, a, i, l, c, o
- magnetomechanical ratio — the ratio of the angular momentum of a rotating charged particle to its magnetic moment; the reciprocal of the gyromagnetic ratio.
- micropachycephalosaurus — A very small pachycephalosaurid, ornithischian dinosaur of the genus Micropachycephalosaurus.
- national health service — In Britain, the National Health Service is the state system for providing medical care. It is paid for by taxes.
- north east lincolnshire — a unitary authority in E England, in Lincolnshire: formerly (1974–96) part of the county of Humberside. Pop: 157 400 (2003 est). Area: 192 sq km (74 sq miles)
- north ossetian republic — a constituent republic of S Russia, on the N slopes of the central Caucasus Mountains. Capital: Vladikavkaz. Pop: 709 900 (2002). Area: about 8000 sq km (3088 sq miles)
- not a hair out of place — If you say that someone has not a hair out of place, you are emphasizing that they are extremely smart and neatly dressed.
- object relations theory — a form of psychoanalytic theory postulating that people relate to others in order to develop themselves
- occupational psychology — the study of human behaviour at work, including ergonomics, selection procedures, and the effects of stress
- 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.
- 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.
- public-key cryptography — public-key encryption
- 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)
- saddle block anesthesia — a form of spinal anesthesia that produces loss of sensation in the buttocks, perineum, and inner thighs.
- 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
- 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 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.
- 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 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
- 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.
- yellow-headed blackbird — a North American blackbird, Xanthocephalus xanthocephalus, having a yellow head.