18-letter words containing u, n, a, i
- building materials — materials such as bricks, cement, timber, etc
- business education — education for general knowledge of business practices.
- cabernet sauvignon — a black grape originally grown in the Bordeaux area of France, and now throughout the wine-producing world
- calcium propionate — a white, water-soluble powder, CaC 6 H 10 O 4 , used in bakery products to inhibit the growth of fungi.
- california current — a cold current originating in the northern part of the Pacific Ocean, flowing SE along the coast of W North America.
- california fuchsia — a North American onagraceous plant, Zauschneria californica, with tubular scarlet flowers
- california-fuchsia — a plant belonging to the genus Fuchsia, of the evening primrose family, including many varieties cultivated for their handsome drooping flowers.
- call into question — to raise a question or doubt about
- cambrian mountains — a mountain range in Wales, extending from Carmarthenshire in the S to Denbighshire in the N. Highest peak: Aran Fawddwy, 891 m (2970 ft)
- campaign furniture — furniture, as chests or desks, having metal hinges on the corners and handles on the sides.
- capital punishment — Capital punishment is punishment which involves the legal killing of a person who has committed a serious crime such as murder.
- cartilaginous fish — any fish of the class Chondrichthyes, including the sharks, skates, and rays, having a skeleton composed entirely of cartilage
- cash-for-questions — of, involved in, or relating to a scandal in which some MPs were accused of accepting bribes to ask particular questions in Parliament
- cassius (longinus) — (Gaius)died 42 b.c.; Rom. general & conspirator against Caesar
- casualty insurance — insurance providing coverage against accident and property damages, as automobile, theft, liability, and explosion insurance, but not including life insurance, fire insurance, or marine insurance.
- catalogue raisonne — a descriptive catalogue, esp one covering works of art in an exhibition or collection
- catapult launching — the fact of launching aircraft into the air by a device installed in warships
- caterpillar hunter — any of various carabid beetles of the genus Calosoma, of Europe and North America, which prey on the larvae of moths and butterflies
- catskill mountains — a mountain range in SE New York State: resort. Highest peak: Slide Mountain, 1261 m (4204 ft)
- caucasus mountains — a mountain range in SW Russia, running along the N borders of Georgia and Azerbaijan, between the Black Sea and the Caspian Sea: mostly over 2700 m (9000 ft). Highest peak: Mount Elbrus, 5642 m (18 510 ft)
- cauliflower fungus — a large edible white to yellowish cauliflowerlike mushroom, Sparassis radicata, widely distributed in North America.
- causa sine qua non — an indispensable condition; requisite.
- celestial guidance — the guidance of a spacecraft or missile by reference to the position of one or more celestial bodies
- centrifugal clutch — an automatic clutch in which the friction surfaces are engaged by weighted levers acting under centrifugal force at a certain speed of rotation
- chambered nautilus — nautilus (def 1).
- character-building — improving certain good or useful traits in a person's character, esp self-reliance, endurance, and courage
- charge conjugation — the mathematical operation of replacing every elementary particle by its antiparticle. Symbol: C.
- chebyshev equation — Tchebycheff equation.
- children's crusade — a crusade to recover Jerusalem from the Saracens, undertaken in 1212 by thousands of French and German children who perished, were sold into slavery, or were turned back.
- chukchi-kamchatkan — Chukotian.
- circular breathing — a technique for sustaining a phrase on a wind instrument, using the cheeks to force air out of the mouth while breathing in through the nose
- circulating medium — currency serving as a medium of exchange
- circumnavigational — Relating to circumnavigation.
- citizen journalism — the involvement of non-professionals in reporting news, esp in blogs and other websites
- coastguard station — the headquarters or local offices of a coastguard
- colloidal solution — a mixture having particles of one component, with diameters between 10 −7 and 10 −9 metres, suspended in a continuous phase of another component. The mixture has properties between those of a solution and a fine suspension
- combination square — an adjustable device for carpenters, used as a try square, miter square, level, etc.
- combustion chamber — an enclosed space in which combustion takes place, such as the space above the piston in the cylinder head of an internal-combustion engine or the chambers in a gas turbine or rocket engine in which fuel and oxidant burn
- combustion furnace — a furnace used in the laboratory to carry out elemental analysis of organic compounds
- communication cord — a cord or chain in a train which may be pulled by a passenger to stop the train in an emergency
- communication line — a line carrying communications
- community hospital — (in the US) a local hospital
- community language — a language spoken by members of a minority group or community within a majority language context
- commutation ticket — a ticket entitling the holder to travel over the same route, as on a railroad, a specified number of times at a reduced rate
- compassion fatigue — the inability to react sympathetically to a crisis, disaster, etc, because of overexposure to previous crises, disasters, etc
- computer animation — animated film or video that is generated by computers
- conceptual realism — the doctrine that universals have real and independent existence.
- conceptualisations — Plural form of conceptualisation.
- conceptualizations — Plural form of conceptualization.
- concrete universal — a principle that necessarily has universal import but is also concrete by virtue of its arising in historical situations.