18-letter words containing l, t, d
- basket-handle arch — an arch having a symmetrical form drawn from an odd number of radii in excess of one, which increase in length from the springing toward the center.
- battle of omdurman — a battle (1898) in which the Mahdi's successor and his Ansar followers were defeated by Lord Kitchener's British forces
- battleground-state — a state of the U.S. in which the Democratic and Republican candidates both have a good chance of winning and that is considered key to the outcome of a presidential election: the swing states of Ohio and Indiana.
- bedlington terrier — a lithe, graceful breed of terrier having a long tapering head with no stop and a thick fleecy coat
- bel and the dragon — a book of the Apocrypha that is included as chapter 14 of Daniel in the Douay Bible.
- bells and whistles — additional features or accessories which are nonessential but very attractive
- bill of indictment — a formal document accusing a person or persons of crime, formerly presented to a grand jury for certification as a true bill but now signed by a court official
- bird's-foot violet — a North American violet (Viola pedata) having divided leaves and large blue or purple flowers
- black-necked stork — a large Australian stork, Xenorhyncus asiaticus, having a white plumage, dark green back and tail, and red legs
- blanquette de veau — a ragout or stew of veal in a white sauce
- board of elections — a bipartisan board appointed usually by local authorities and charged with control of elections and voting procedure.
- bomb disposal unit — a unit of the police or armed services specializing in bomb disposal
- bottle-nosed whale — any of various beaked whales of the family Hyperoodontidae, characterized by a bulbous forehead, especially Hyperoodon ampullatus of the North Atlantic.
- bottlenose dolphin — any dolphin of the genus Tursiops, esp T. truncatus, some of which have been kept in captivity and trained to perform tricks
- boundedly complete — (theory) (Or "consistently complete") In domain theory, a complete partial order is boundedly complete if every bounded subset has a least upper bound.
- british somaliland — a former British protectorate (1884–1960) in E Africa, on the Gulf of Aden: united with Italian Somaliland in 1960 to form Somalia (or the Somali Republic); in 1991 the self-styled republic of Somaliland, covering the same area as the former British Somaliland, declared itself independent and continues to function largely as a separate entity, though without international recognition
- building materials — materials such as bricks, cement, timber, etc
- butler's sideboard — a sideboard, often with a fall front, having on its top a china cabinet with glazed doors.
- butterhead lettuce — a major group of lettuce varieties having soft, pliable leaves and small, loose heads, including bibb and Boston lettuce
- byte-code compiler — (programming, tool) A compiler which outputs a program in some kind of byte-code. Compare: byte-code interpreter.
- cape breton island — an island off SE Canada, in NE Nova Scotia, separated from the mainland by the Strait of Canso: its easternmost point is Cape Breton. Pop: 132 298 (2006). Area: 10 280 sq km (3970 sq miles)
- career development — a progression through a series of jobs, each with more responsibility and a higher income than the last
- ceiling decoration — a plaster moulding for the centre of a ceiling; other decoration, such as coving
- celestial guidance — the guidance of a spacecraft or missile by reference to the position of one or more celestial bodies
- celestial latitude — the angular distance of a celestial body north or south from the ecliptic
- centralized school — a public school formed from the pupils and teachers of a number of discontinued smaller schools, especially in a rural district.
- centum call second — (unit) (CCS) A unit used (in North America) to quantify the total traffic running in a network. 1 CCS is 100 call-seconds. That means 1 CCS could be 2 calls of 50 seconds duration or 20 calls of 5 seconds duration.
- chambered nautilus — nautilus (def 1).
- character-building — improving certain good or useful traits in a person's character, esp self-reliance, endurance, and courage
- cheval de bataille — a horse used in battle; charger.
- child psychologist — a psychologist who specializes in treating children
- chocolate-coloured — dark brown
- church of scotland — the established church in Scotland, Calvinist in doctrine and Presbyterian in constitution
- circulating medium — currency serving as a medium of exchange
- citta del vaticano — Vatican City
- classified section — the part of a publication that contains classified advertising
- claw-and-ball foot — ball-and-claw foot.
- cleopatra's needle — either of two Egyptian obelisks, originally set up at Heliopolis about 1500 bc: one was moved to the Thames Embankment, London, in 1878, the other to Central Park, New York, in 1880
- closed corporation — a corporation the stock of which is owned by a small number of persons and is rarely traded on the open market
- closed-box testing — functional testing
- cobalt violet deep — a medium to strong purple color.
- coiled tubing unit — A coiled tubing unit is all of the equipment needed to carry out coiled tubing drilling.
- collision diameter — the distance between the centers of two colliding molecules when at their closest point of approach.
- 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
- commedia dell'arte — a form of popular comedy developed in Italy during the 16th to 18th centuries, with stock characters such as Punchinello, Harlequin, and Columbine, in situations improvised from a plot outline
- commendation medal — a U.S. military decoration awarded for meritorious achievement or service
- committed facility — an agreement by a bank to provide a customer with funds up to a specified limit at a specified rate of interest
- condensation trail — contrail.
- conditional access — the encryption of television programme transmissions so that only authorized subscribers with suitable decoding apparatus may have access to them
- conditionalization — the derivation from an argument of a conditional statement with the conjunction of the premises as antecedent and the conclusion as consequent. If the argument is valid, conditionalization yields a truth