16-letter words containing a, d, e, n, o
- around-the-clock — all day and all night
- arsenic trioxide — a white poisonous powder used in the manufacture of glass and as an insecticide, rat poison, and weedkiller. Formula: As2O3
- ascidian tadpole — the free-swimming larva of an ascidian, having a tadpole-like tail containing the notochord and nerve cord
- assigned counsel — any private lawyer designated by a city or county court to represent indigent defendants in criminal cases at public expense.
- assistant editor — a person who assists an editor in their work
- aston dark space — the dark region between the cathode and the cathode glow in a vacuum tube, occurring when the pressure is low.
- attendance order — (in Britain) an order issued by a court requiring a young offender to attend a specified place at specified times in order to carry out unpaid work, usually as an alternative to being fined
- attitude of mind — Your attitude of mind is your general way of thinking and feeling.
- atwood's machine — a device consisting of two unequal masses connected by a string passed over a pulley, used to illustrate the laws of motion.
- audio conference — a meeting that is conducted by the use of audio telecommunications
- azodicarbonamide — (chemistry) An organic chemical, a yellow to orange red, odorless, crystalline powder, used in food industry as a food additive, a flour bleaching agent and improving agent and in foaming plastics.
- background check — an investigation into a person's origins and previous history
- background noise — any type of noise that is not the sound that you are specifically listening to or monitoring
- background paper — a report or other piece of writing that is intended to provide contextual and historical information that will help people understand a particular topic or situation
- badminton racket — the type of racket used in games of badminton
- bahasa indonesia — the official language of Indonesia: developed from the form of Malay formerly widely used as a trade language in SE Asia
- balance of trade — A country's balance of trade is the difference in value, over a period of time, between the goods it imports and the goods it exports.
- bankruptcy order — a court order appointing a receiver to manage the property of a debtor or bankrupt
- baron tweedsmuir — the title of Scottish novelist John Buchan
- batlle y ordonez — José [haw-se] /hɔˈsɛ/ (Show IPA), 1856–1929, Uruguayan statesman: president of Uruguay 1903–07, 1911–15.
- belgian sheepdog — any of a Belgian breed of large herding dog with a black coat, sometimes used as a guide dog
- bells of ireland — an annual garden plant, Moluccella laevis, whose flowers have a green cup-shaped calyx: family Lamiaceae (labiates)
- benzoate of soda — sodium benzoate
- bidirectionality — capable of reacting or functioning in two, usually opposite, directions.
- biodeterioration — biodegradation.
- bleaching powder — a white powder with the odour of chlorine, consisting of chlorinated calcium hydroxide with an approximate formula CaCl(OCl).4H2O. It is used in solution as a bleaching agent and disinfectant
- block and tackle — a hoisting device in which a rope or chain is passed around a pair of blocks containing one or more pulleys. The upper block is secured overhead and the lower block supports the load, the effort being applied to the free end of the rope or chain
- blue dawn-flower — a tropical American vine, Ipomoea acuminata, of the morning glory family, having large, funnel-shaped flowers that turn from blue to pink.
- board and batten — a siding consisting of wide boards or of sheets of plywood set vertically with butt joints covered by battens.
- boarding kennels — a place where dog owners can pay to have their dogs looked after while they are away
- boarding officer — a coastguard who boards ships suspected of carrying illegal cargoes or posing a security risk
- bonded warehouse — a warehouse in which dutiable goods are deposited until duty is paid or the goods are cleared for export
- bonhomme richard — the flagship of John Paul Jones.
- bornholm disease — an epidemic virus infection characterized by pain round the base of the chest
- botanical garden — a place where collections of plants and trees are kept for scientific study and exhibition
- boundary dispute — dispute between neighbours about the boundary between their properties
- break new ground — to do something that has not been done before
- break one's word — to fail to keep one's promise
- brown-eyed susan — a composite plant, Rudbeckia triloba, of the southeastern U.S., having a single flower with yellow rays darkening to an orange orbrown at the base and a brownish-black disk.
- bundled software — software sold as part of a package with computers or other hardware or software
- butenedioic acid — either of two geometrical isomers with the formula HOOCCH:CHCOOH
- caledonian canal — a canal in N Scotland, linking the Atlantic with the North Sea through the Great Glen: built 1803–47; now used mostly for leisure boating
- camborne-redruth — a former (until 1974) urban district in SW England, in Cornwall: formed in 1934 by the amalgamation of the neighbouring towns of Camborne and Redruth. Pop: 39 936 (2001)
- canada mayflower — a small wildflower (Maianthemum canadense) of the lily family, with white flowers and red, beadlike berries, found in the N U.S. and in Canada; bead-ruby
- canadian hemlock — eastern hemlock.
- canadian soldier — the mayfly.
- canyon de chelly — a canyon in NE Arizona, in the Navajo reservation: site contains prehistoric cliff dwellings.
- capelli d'angelo — angel hair.
- carbon bisulfide — carbon disulfide
- carbon disulfide — a heavy, volatile, colorless liquid, CS2, highly flammable and poisonous, used as a solvent, insecticide, etc.