19-letter words containing a, g, i, n
- ave regina coelorum — a Latin hymn in honor of the Virgin Mary as Queen of Heaven.
- baader-meinhof gang — a group of left-wing West German terrorists, active in the 1970s, who were dedicated to the violent overthrow of capitalist society
- balloon angioplasty — angioplasty in which a balloon catheter is moved to a blocked area of a blood vessel where the balloon is inflated to expand or force open the vessel
- ballot-box stuffing — the act of illegally submitting more than one vote in a ballot in which only one vote is permitted
- bandar seri begawan — the capital of Brunei. Pop: 64 000 (2005 est)
- bargaining position — the position of a person, group, or organization in a negotiation, with respect to their ability to achieve a deal which is favourable to themselves
- barometric gradient — pressure gradient
- beggar-my-neighbour — a card game in which one player tries to win all the cards of the other player
- behavioral genetics — an interdisciplinary field studying the effects of genetics and hereditary factors on animal and human behavior.
- belgian east africa — a former Belgian trust territory in Africa, also (1924–62) Ruanda-Urundi, now the independent countries of Rwanda and Burundi.
- big-leaved magnolia — evergreen magnolia.
- bilingual education — schooling in which those not fluent in the standard or national language are taught in their own language.
- binary large object — (database) (BLOB) A large block of data stored in a database, such as an image or sound file. A BLOB has no structure which can be interpreted by the database management system but is known only by its size and location.
- binding arbitration — dispute resolution
- blue-tongued lizard — a large Australian lizard, Tiliqua scincoides, characterized by having a cobalt-blue tongue.
- booker t washington — Booker T(aliaferro) [boo k-er tol-uh-ver] /ˈbʊk ər ˈtɒl ə vər/ (Show IPA), 1856–1915, U.S. reformer, educator, author, and lecturer.
- breathing apparatus — an apparatus, usually consisting of tanks of air or oxygen and a mouthpiece, that enables the wearer to breath in difficult conditions such as a smoke-filled building
- briggsian logarithm — common logarithm.
- bug tracking system — (programming) (BTS) A system for receiving and filing bugs reported against a software project, and tracking those bugs until they are fixed. Most major software projects have their own BTS, the source code of which is often available for use by other projects. Well known BTSs include GNATS, Bugzilla, and Debbugs.
- building contractor — an individual or company that contracts for the construction of houses, etc
- buildings insurance — insurance which covers buildings
- business accounting — the keeping of detailed accounts relating to a business or businesses
- buy a pig in a poke — to buy, get, or agree to something without sight or knowledge of it in advance
- cairngorm mountains — a mountain range of NE Scotland: part of the Grampians. Highest peak: Ben Macdui, 1309 m (4296 ft); designated a national park in 2003
- calculating machine — calculator (sense 3)
- canterbury pilgrims — the pilgrims whose stories are told in Chaucer's Canterbury Tales
- capacitive coupling — the connection of two or more circuits by means of a capacitor.
- captains courageous — a novel (1897) by Rudyard Kipling.
- carbon steel piping — Carbon steel piping is pipes made of steel with carbon as the main alloying component, used for transporting fluids.
- carnot refrigerator — a device operating on the Carnot cycle in which the first temperature is higher than the second.
- cartilaginification — The formation of cartilage.
- catalytic reforming — Catalytic reforming is a process that converts petroleum refinery naphthas to high-octane blending components.
- catherine of aragon — 1485–1536, first wife of Henry VIII of England and mother of Mary I. The annulment of Henry's marriage to her (1533) against papal authority marked an initial stage in the English Reformation
- catherine the great — (Sophia Augusta of Anhalt-Zerbst"Catherine the Great") 1729–96, empress of Russia 1762–96.
- celestial longitude — the angular distance measured eastwards from the vernal equinox to the intersection of the ecliptic with the great circle passing through a celestial body and the poles of the ecliptic
- centrifugal casting — casting that utilizes centrifugal force within a spinning mold to force the metal against the walls.
- ceramic engineering — the branch of engineering concerned with the development and production of ceramics.
- ch'in shih huang ti — Shih Huang Ti.
- chain-reacting pile — nuclear reactor
- champagne lifestyle — a lifestyle involving the enjoyment of luxuries and expensive pleasures
- champagne socialist — a professed socialist who enjoys an extravagant lifestyle
- champigny-sur-marne — a suburb of Paris, on the River Marne. Pop: 75 556 (2006)
- champion of england — a hereditary official at British coronations, representing the king (King's Champion) or the queen (Queen's Champion) who is being crowned, and having originally the function of challenging to mortal combat any person disputing the right of the new sovereign to rule.
- chemical processing — Chemical processing is a way of making changes to chemical compounds.
- chemical weathering — any of the various weathering processes that cause exposed rock to undergo chemical decomposition, changing the chemical and mineralogical composition of the rock: Oxygen and acids are agents in chemical weathering.
- chinese finger trap — a child's toy, consisting of a small cylinder of woven straw or paper into which the forefingers are placed, one in each end: the harder one pulls, the more securely the fingers are held.
- chronological order — the arrangement of things following one after another in time: Put these documents in chronological order.
- cinematographically — a motion-picture projector.
- circulating capital — the non-permanent raw materials and operating expenses that are used up to produce other goods or services
- circulating decimal — repeating decimal