23-letter words containing c, h, l, o
- polymethyl methacrylate — polymerized methyl methacrylate.
- polyvinylidene chloride — a polymer of vinylidene chloride, used chiefly in the manufacture of saran.
- 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
- secondary modern school — (formerly) a secondary school offering a more technical or practical and less academic education than a grammar school
- sheltered accommodation — housing specially designed to provide a safe environment for the elderly, handicapped, or disabled, often with some shared facilities and a caretaker
- statement of cash flows — A statement of cash flows is a financial statement that shows the amounts of cash that came into and went out of a company over a particular period of time.
- structural anthropology — a school of anthropology founded by Claude Lévi-Strauss and based loosely on the principles of structural linguistics.
- thank one's lucky stars — any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night.
- 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 It houses extensive collections in all subject areas and formats, important historical documents, and is also a depository for copyrighted materials.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.
- throttle-body injection — a fuel-injection system in which an injector (throttle-body injector) delivers fuel to a central location within the intake manifold of the engine. Abbreviation: TBI.
- till the cows come home — the mature female of a bovine animal, especially of the genus Bos.
- 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 pluck up the courage — If you pluck up the courage to do something that you feel nervous about, you make an effort to be brave enough to do it.
- 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.
- turn a cold shoulder to — to treat with disdain; snub
- 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.