18-letter words containing l, i, t, s
- multiple sclerosis — a chronic degenerative, often episodic disease of the central nervous system marked by patchy destruction of the myelin that surrounds and insulates nerve fibers, usually appearing in young adulthood and manifested by one or more mild to severe neural and muscular impairments, as spastic weakness in one or more limbs, local sensory losses, bladder dysfunction, or visual disturbances.
- musical instrument — music
- mutual aid society — A mutual aid society is an organization that provides benefits or other help to its members when they are affected by things such as death, sickness, disability, old age, or unemployment.
- mutually exclusive — of or relating to a situation involving two or more events, possibilities, etc., in which the occurrence of one precludes the occurrence of the other: mutually exclusive plans of action.
- mutually recursive — recursion
- national guardsman — guardsman (def 2).
- national insurance — In Britain, national insurance is the state system of paying money to people who are ill, unemployed, or retired. It is financed by money that the government collects from people who work, or from their employers.
- national socialism — the principles and practices of the Nazi party in Germany.
- natural philosophy — natural science.
- natural resistance — natural immunity.
- nebular hypothesis — the theory that the solar system evolved from a mass of nebular matter: prominent in the 19th century following its precise formulation by Laplace.
- needlestick injury — an injury that is caused by accidentally pricking the skin with a hypodermic needle
- negative cash flow — the situation when income is less than payments
- neovascularization — the development of new blood vessels, especially in tissues where circulation has been impaired by trauma or disease.
- netherlands guiana — a former name of Suriname.
- neuroleptanalgesia — a semiconscious nonreactive state induced by certain drug combinations, as fentanyl with droperidol.
- neutrosophic logic — (logic) (Or "Smarandache logic") A generalisation of fuzzy logic based on Neutrosophy. A proposition is t true, i indeterminate, and f false, where t, i, and f are real values from the ranges T, I, F, with no restriction on T, I, F, or the sum n=t+i+f. Neutrosophic logic thus generalises: - intuitionistic logic, which supports incomplete theories (for 0
- no-fault insurance — Also called no-fault insurance. a form of automobile insurance designed to enable the policyholder in case of an accident to collect a certain basic compensation promptly for economic loss from his or her own insurance company without determination of liability.
- nocturnal emission — the release of semen during sleep, often during a sexual dream.
- non-circumstantial — of pertaining to, or derived from circumstances: a circumstantial result.
- non-conversational — able or ready to converse; given to conversation.
- non-ecclesiastical — of or relating to the church or the clergy; churchly; clerical; not secular.
- non-fundamentalist — (sometimes initial capital letter) a religious movement characterized by a strict belief in the literal interpretation of religious texts, especially within American Protestantism and Islam.
- non-responsibility — the state or fact of being responsible, answerable, or accountable for something within one's power, control, or management.
- nonpartisan league — a political organization of farmers, founded in North Dakota in 1915, and extending to many states west of the Mississippi, with the aim of influencing agricultural legislation in state legislatures.
- nonpreferentialism — of, relating to, or of the nature of preference: preferential policies.
- nonstriated muscle — smooth muscle
- normally aspirated — A normally aspirated or naturally aspirated engine breathes air at atmospheric pressure.
- north lincolnshire — a unitary authority of NE England, in Lincolnshire: formerly (1975–96) part of the county of Humberside. Pop: 155 000 (2003 est). Area: 1497 sq km (578 sq miles)
- notifiable disease — any one of a number of infectious diseases of humans and animals, that must be reported to the public health authorities
- nova scotia salmon — an Atlantic salmon, especially from the waters off Nova Scotia, cured in the local manner.
- nursery facilities — places where young children are looked after
- objective idealism — a form of idealism asserting that the act of experiencing has a reality combining and transcending the natures of the object experienced and of the mind of the observer.
- oblique-slip fault — a fault on which the movement is along both the strike and the dip of the fault
- oedipus at colonus — a tragedy by Sophocles, written toward the end of his life and produced posthumously in 401? b.c.
- offensive material — any published or broadcast content (such as articles, photographs, films, or websites) that is likely to be upsetting, insulting, or objectionable to some or most people
- official solicitor — an officer of the Supreme Court of Judicature with special responsibilities for protecting the interests of persons under disability
- offset lithography — offset (def 6).
- oil of catechumens — holy oil used in baptism, the ordination of a cleric, the coronation of a sovereign, or in the consecration of a church.
- old curiosity shop — a novel (1840–41) by Dickens.
- on the danger list — critically ill in hospital
- operationalisation — Alternative spelling of operationalization.
- optical disc drive — optical disk drive
- optical disk drive — (hardware) (Or "optical disc drive", "optical storage") A generic term for any device that reads and/or writes optical media, i.e. compact discs, DVDs and/or Blu-ray discs or future media that uses light (from a small laser) to read data off a removable, rotating disk. At least one such drive is commonly installed in most personal computers to allow them to play and/or record audio and video media and load and store data such as program installers. The floppy disk has been replaced by optical media due to its vastly greater capacity, e.g. 50,000 megabytes for a dual-layer blu-ray disc compared with 1.5 megabytes for a floppy (over 30,000 times as much).
- optical microscope — traditional magnifying instrument
- optical soundtrack — the final soundtrack on a motion picture, which appears as a band of black and white serrations along a strip of film to the left of the composite print. Light is shined through the serrations and is converted to audible sound.
- order of australia — an order awarded to Australians for outstanding achievement or for service to Australia or to humanity at large; established in 1975
- organic solidarity — social cohesiveness that is based on division of labor and interdependence and is characteristic of complex, industrial societies.
- oriental alabaster — alabaster (def 2).
- oriental cat's-eye — a chatoyant variety of chrysoberyl, used as a gem.