18-letter words containing a, c, n, t, h, o
- giant peacock moth — the largest European moth, an emperor, Saturnia pyri, reaching 15 cm (6 in.) in wingspan. It is mottled brown with a prominent ocellus on each wing and being night-flying can be mistaken for a bat
- goods and chattels — personal property
- haulage contractor — a person or firm that transports goods by lorry
- heat of combustion — the heat evolved when one mole of a substance is burnt in oxygen at constant volume
- helicopter station — a place where helicopters are kept in readiness for use
- heptadecanoic acid — a colourless crystalline water-insoluble carboxylic acid used in organic synthesis. Formula: CH3(CH2)15COOH
- historical fiction — the genre of literature, film, etc., comprising narratives that take place in the past and are characterized chiefly by an imaginative reconstruction of historical events and personages.
- historical present — the present tense used in narrating a past event as if happening at the time of narration.
- honorary secretary — a unpaid person who is one of the managers of an organization
- hot-water cylinder — a vertical cylindrical tank for storing hot water, esp an insulated one made of copper used in a domestic hot-water system
- hyperconcentration — the act of concentrating; the state of being concentrated.
- hypernationalistic — a person devoted to nationalism.
- hysterical reasons — (Or "hysterical raisins") A variant on the stock phrase "for historical reasons", indicating specifically that something must be done in some stupid way for backward compatibility, and moreover that the feature it must be compatible with was the result of a bad design in the first place. "All IBM PC video adaptors have to support MDA text mode for hysterical reasons." Compare bug-for-bug compatible.
- immunohistological — the microscopic study of tissues with the aid of antibodies that bind to tissue components and reveal their presence.
- in accordance with — conforming to
- in company with sb — If you feel, believe, or know something in company with someone else, you both feel, believe, or know it.
- in comparison with — when compared to
- in compliance with — in accordance with
- in the face of sth — If you take a particular action or attitude in the face of a problem or difficulty, you respond to that problem or difficulty in that way.
- indecent behaviour — the offence of committing indecent acts
- ionization chamber — a device for detecting and measuring ionizing radiation, consisting of a tube containing a low pressure gas and two electrodes between which a high voltage is maintained. The current between the electrodes is a function of the intensity of the radiation
- japanese artichoke — Chinese artichoke.
- johnny-come-lately — a late arrival or participant; newcomer: the Johnny-come-latelies producing space-war films after the trend had ended.
- king of the castle — most powerful figure
- lactogenic hormone — prolactin.
- lake pontchartrain — a shallow lagoon in SE Louisiana, linked with the Gulf of Mexico by a narrow channel, the Rigolets: resort and fishing centre. Area: 1620 sq km (625 sq miles)
- lambeth conference — a convention of the bishops of the Anglican communion, held about every 10 years at Lambeth Palace to confer but not to define doctrine or to legislate on ecclesiastical matters.
- last chance saloon — a place frequented by unsavoury or contemptible people
- lincoln's birthday — February 12, a legal holiday in some states of the U.S., in honor of the birth of Abraham Lincoln.
- lonely hearts club — a club for people who are trying to find a lover or a friend
- magnetorheological — (physics) describing a substance whose rheological properties are modified by a magnetic field.
- menthol cigarettes — cigarettes that are flavoured with menthol
- merchant of venice — a comedy (1596?) by Shakespeare.
- methylcyclohexanol — a colorless, aromatic, viscous liquid mixture, chiefly of the ortho and para forms of CH 3 C 6 H 1 0 OH, derived from cresol by hydrogenation: used chiefly as a solvent for rubber, cellulose, esters, and phenols.
- microsoft exchange — (messaging) Microsoft's messaging and enterprise collaboration server. Exchange's primary role is as an electronic mail message store but it can also store calendars, task lists, contact details, and other data.
- moccasin telegraph — the transmission of rumour or secret information; the grapevine
- monte carlo method — a technique for numerically approximating the solution of a mathematical problem by studying the distribution of some random variable, often generated by a computer.
- morphine addiction — the fact or condition of being addicted to morphine
- negative cash flow — the situation when income is less than payments
- neighborhood watch — a neighborhood surveillance program or group in which residents keep watch over one another's houses, patrol the streets, etc., in an attempt to prevent crime.
- nightmare scenario — If you describe a situation or event as a nightmare scenario, you mean that it is the worst possible thing that could happen.
- nike of samothrace — a Greek marble statue (c200 b.c.) of Nike found at Samothrace and now in the Louvre, Paris.
- non-characteristic — Also, characteristical. pertaining to, constituting, or indicating the character or peculiar quality of a person or thing; typical; distinctive: Red and gold are the characteristic colors of autumn.
- noninterchangeable — That cannot be interchanged with another.
- north saskatchewan — a river in S central Canada, flowing E from the Rocky Mountains and joining the South Saskatchewan River to form the Saskatchewan River. 760 miles (1223 km) long.
- north truchas peak — a mountain in N New Mexico, near Santa Fe: one of the three Truchas Peaks. 13,110 feet (3999 meters).
- northeast corridor — the long, narrow strip of land between Boston, New York City, and Washington, D.C., containing many adjacent urban areas.
- northern cameroons — German Kamerun. a region in W Africa: a German protectorate 1884–1919; divided in 1919 into British and French mandates.
- not to have a clue — to be completely baffled
- oath of allegiance — pledge to one's nation