18-letter words containing e, a, c, h, n

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.
nonachlorobiphenyl — (organic compound) Either of three isomers of the polychlorinated biphenyl containing nine chlorine atoms.
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
octachlorobiphenyl — (organic compound) Either of twelve isomers of the polychlorinated biphenyl containing eight chlorine atoms.
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.
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
oriental cockroach — a dark-brown cockroach, Blatta orientalis, thought to have originated in Asia but now nearly cosmopolitan in distribution.
packet switch node — (PSN) A dedicated computer whose purpose is to accept, route and forward packets in a packet-switched network.
palm beach gardens — a city in SE Florida, near North Palm Beach.
paper handkerchief — a handkerchief made from tissue paper
parachute regiment — an airborne regiment of an army
pennsylvania dutch — the descendants of 17th- and 18th-century settlers in Pennsylvania from southwest Germany and Switzerland.
peppermint camphor — menthol.
phanerocrystalline — (of a rock) having the principal constituents in the form of crystals visible to the naked eye.
phenylacetaldehyde — a colorless, oily, water-insoluble liquid, C 3 H 1 4 O, having a hyacinthlike odor: used chiefly in perfumery.
phoenician juniper — a type of juniper that is found in the Mediterranean region
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 education — systematic instruction in sports, exercises, and hygiene given as part of a school or college program.
physical inventory — To carry out a physical inventory is to count all the stock on hand.
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
policeman's helmet — a Himalayan balsaminaceous plant, Impatiens glandulifera, with large purplish-pink flowers, introduced into Britain
price on sb's head — If there is a price on someone 's head, an amount of money has been offered for the capture or killing of that person.
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.
propaganda machine — the group of people, publications, etc, such as of a government, country etc, responsible for the organized dissemination of information, allegations, etc, to assist or damage the cause of a government, movement, etc
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.
purchasing officer — the member of staff in an organization who is responsible for buying goods or products
puvis de chavannes — Puvis de [py-vee duh] /püˈvi də/ (Show IPA), Puvis de Chavannes, Pierre.
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
richard p. feynman — (person, computing, architecture) /fayn'mn/ 1918-1988. A US physicist, computer scientist and author who graduated from Massachusetts Institute of Technology and Princeton. Feynmane was a key figure in helping Oppenheimer and team develop atomic bomb. In 1950 he became a professor at Caltech and in 1965 became Nobel Prize Laureate in Physics for QED (quantum electrodynamics). He was a primary figure in "solving" the Challenger disaster O-ring problem. He "rediscovered" the former Soviet Socialist Republic of Tuva. The 2001 film "Infinity" about Feynman's early life featured Matthew Broderick and Patricia Arquette. In 2001, "QED", a play about Feynman's life featuring Alan Alda opened.
roman architecture — buildings in style of ancient Rome

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