18-letter words containing c, a, n, t, h, r
- natural childbirth — childbirth involving little or no use of drugs or anesthesia and usually involving a program in which the mother is psychologically and physically prepared for the birth process.
- naval architecture — the science of designing ships and other waterborne craft.
- 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.
- octachlorobiphenyl — (organic compound) Either of twelve isomers of the polychlorinated biphenyl containing eight chlorine atoms.
- on that/this score — You can use on that score or on this score to refer to something that has just been mentioned, especially an area of difficulty or concern.
- on the back burner — low priority
- optical brightener — an additive that dyes and brightens fabric or paper
- organization chart — a diagrammatic representation showing how departments or divisions in an organization, as a large corporation, are related to one another along lines of authority.
- oriental cockroach — a dark-brown cockroach, Blatta orientalis, thought to have originated in Asia but now nearly cosmopolitan in distribution.
- orthotungstic acid — an oxyacid acid of tungsten. Formula: H2WO4
- parachute regiment — an airborne regiment of an army
- peppermint camphor — menthol.
- phanerocrystalline — (of a rock) having the principal constituents in the form of crystals visible to the naked eye.
- phantasmagorically — having a fantastic or deceptive appearance, as something in a dream or created by the imagination.
- philharmonic pitch — a standard of pitch in which A above middle C is established at 440 vibrations per second.
- phthalic anhydride — a white, crystalline, slightly water-soluble solid, C 8 H 4 O 3 , used chiefly in the manufacture of dyes, alkyd resins, and plasticizers.
- physical inventory — To carry out a physical inventory is to count all the stock on hand.
- pitch-and-run shot — chip shot.
- plumber's merchant — a shop or business that sells things needed for the job of installing and repairing pipes, fixtures, etc, for water, drainage, and gas
- processionary moth — a moth of the family Thaumetopoeidae, esp the oak processionary moth (Thaumetopoea processionea), the larvae of which leave the communal shelter nightly for food in a V-shaped procession
- projection machine — an apparatus that projects motion pictures; projector.
- provision merchant — a person or company in the business of retailing food and other provisions
- pseudo-anarchistic — a person who advocates or believes in anarchy or anarchism.
- psychogalvanometer — a type of galvanometer for detecting and measuring psychogalvanic currents.
- pulp canal therapy — endodontics.
- quite the contrary — not at all, the very opposite
- reach for the moon — to desire or attempt something unattainable or difficult to obtain
- recharacterization — portrayal; description: the actor's characterization of a politician.
- repayment schedule — a document detailing the specific terms of a borrower's loan, such as monthly payment, interest rate, due dates etc
- research assistant — a graduate who is employed on a temporary or part-time basis to assist the university with academic research
- research scientist — someone who conducts scientific research or investigation, in order to discover new things, etc
- research-intensive — focusing financial and other resources on research and development as opposed to capital and labor; noting or pertaining to a high ratio of expenditure on research in relation to the value of net output.
- residential school — (in Canada) a boarding school maintained by the Canadian government for Indian and Inuit children from sparsely populated settlements
- resistance fighter — someone who fights (for freedom, etc) against an invader in an occupied country, or against their government, etc, often secretly or illegally
- rhondda cynon taff — a county borough in S Wales, created from part of Mid Glamorgan in 1996. Pop: 231 600 (2003 est). Area: 558 sq km (215 sq miles)
- rhyming dictionary — a specialist dictionary organized by the final sounds of words, used to write poetry
- roman architecture — buildings in style of ancient Rome
- root canal therapy — endodontics.
- rotary clothesline — an apparatus of radiating spokes that support lines on which clothes are hung to dry
- saskatchewan party — (in Canada) a Saskatchewan political party formed by former members of the provincial Progressive Conservative and Liberal Parties
- schengen agreement — an agreement, signed in 1985 at a meeting of European leaders near Schengen, Luxembourg, but not implemented until 1995, to gradually abolish border controls within Europe; it was supplemented in 1990 by the Schengen Convention; in 1999 the agreement was incorporated into European Union law. Twenty-six countries acceded by 2015; the UK is not a signatory
- schwarz inequality — Also called Cauchy's inequality. the theorem that the inner product of two vectors is less than or equal to the product of the magnitudes of the vectors.