18-letter words containing ni
- pilotless ignition — a system for igniting a gas burner, as in a gas range, furnace, or boiler, without the use of a pilot light.
- platinocyanic acid — the hypothetical acid containing platinum and the cyano group, H 2 Pt(CN) 4 .
- post-impressionism — a varied development of Impressionism by a group of painters chiefly between 1880 and 1900 stressing formal structure, as with Cézanne and Seurat, or the expressive possibilities of form and color, as with Van Gogh and Gauguin.
- postmillenarianism — postmillennialism.
- premiere screening — the first screening of a film at a cinema, etc
- presenile dementia — a form of dementia, of unknown cause, starting before a person is old
- prime-ministership — the principal minister and head of government in parliamentary systems; chief of the cabinet or ministry: the British prime minister.
- programme planning — the act of creating plans or schedules, esp in relation to your occupation
- protocol data unit — (PDU) A packet of data passed across a network. The term implies a specific layer of the OSI seven layer model and a specific protocol.
- ptomaine poisoning — (erroneously) food poisoning thought to be caused by ptomaine.
- public convenience — a rest room, especially at a large public place, as at a railroad station.
- pulmonic airstream — a current of lung air set in motion by the respiratory muscles in the production of speech.
- punishment beating — a form of corporal punishment carried out by a paramilitary organization on a member of another sectarian organization, usually in Northern Ireland
- queen's university — A Canadian University. Source of GVL, NIAL, Pasqual, Q'NIAL and TXL.
- radiocommunication — communication by means of radio waves
- restraining circle — any of three circles on the floor of a basketball court used for jump balls: other players must remain outside the circle during a jump ball
- rock cornish (hen) — Cornish (sense 3) Cornish (sense 3b)
- running commentary — non-stop description of sth
- running martingale — martingale (def 2).
- rural municipality — any lightly settled area in Canada lacking a local elected government and administered directly by a provincial government.
- say/kiss goodnight — If you say goodnight to someone or kiss them goodnight, you say something such as 'Goodnight' to them or kiss them before one of you goes home or goes to sleep.
- selenium rectifier — a rectifier consisting of laminated plates of metal, usually iron, that have been coated with selenium on one side, with rectification taking place because the flow of electrons from the conductive metal to the selenium occurs more readily than the flow in the opposite direction.
- self-manifestation — an act of manifesting.
- senior aircraftman — a rank in the Royal Air Force comparable to that of a private in the army, though not the lowest rank in the Royal Air Force
- senior common room — (in British universities, colleges, etc) a common room for the use of academic staff
- senior high school — a school attended after junior high school and usually consisting of grades 10 through 12.
- sesto san giovanni — a city in Lombardy, N Italy: a suburb of Milan.
- significance level — (in the statistical test of a hypothesis) the maximum probability of a Type I error for all distributions consistent with the null hypothesis.
- significant symbol — a verbal or nonverbal gesture, as a word or smile, that has acquired a conventionalized meaning.
- sinclair radionics — Sinclair Research
- sonic depth finder — a sonar instrument that uses echolocation to measure depths under water.
- spanish succession — War of thea war (1701-14) between European powers disputing the succession to the Spanish throne
- speech recognition — Computers. the computerized analysis of spoken words in order to identify the speaker, as in security systems, or to respond to voiced commands: the analysis is performed by finding patterns in the spectrum of the incoming sound and comparing them with stored patterns of elements of sound, as phones, or of complete words.
- spirits of ammonia — a 10% solution of ammonia in alcohol
- standard amenities — the sanitary facilities recommended for all dwellings by the housing law: a fixed bath or shower, wash-hand basin, and sink, all supplied with hot and cold water, and a flush toilet
- state of the union — A State of the Union speech or address is a speech, given once a year, in which the president of the United States talks about the current political issues that affect the country as a whole and about his plans for the year ahead.
- survival mechanism — something you or your body does automatically, in order to survive in a dangerous or unpleasant situation
- sustaining program — a radio or television program without a commercial sponsor.
- take cognizance of — note, acknowledge
- technical knockout — the termination of a bout by the referee when it is the judgment of the attending physician, a boxer's seconds, or the referee that a boxer cannot continue fighting without sustaining severe or disabling injury. Abbreviation: TKO, T.K.O.
- technical reserves — Technical reserves are amounts of money set aside to pay for underwriting liabilities.
- technical sergeant — a noncommissioned officer ranking below a master sergeant and above a staff sergeant.
- tele-communication — Sometimes, telecommunication. (used with a singular verb) the transmission of information, as words, sounds, or images, usually over great distances, in the form of electromagnetic signals, as by telegraph, telephone, radio, or television.
- telecommunications — Sometimes, telecommunication. (used with a singular verb) the transmission of information, as words, sounds, or images, usually over great distances, in the form of electromagnetic signals, as by telegraph, telephone, radio, or television.
- the electronic age — the electronic age began when electronic equipment, including computers came into use
- thermionic current — an electric current produced by the flow of thermions.
- thioantimonic acid — a hypothetical acid, H3SbS4, known only in the form of its salts
- thioarsenious acid — any of a group of hypothetical acids, H3AsS3, HAsS2, and H4As2S5, known only in the forms of their salts
- thorfinn karlsefni — 980–after 1007, Icelandic navigator, explorer, and leader of early colonizing expedition to Vinland, in North America.
- to twist the knife — If you twist the knife or if you turn the knife in someone's wound, you do or say something to make an unpleasant situation they are in even more unpleasant.