19-letter words containing d, a, b
- blind carbon (copy) — a carbon copy of a letter sent to someone other than the addressee, with no indication on the original letter that such a copy has been sent
- blood alcohol level — the amount of alcohol in someone's blood
- blood-brain barrier — the barrier created by the walls of the capillaries of the brain that prevents certain substances, as most proteins and drugs, from passing from the blood into the brain tissue and cerebrospinal fluid
- blue-breasted quail — a small, brightly colored quail, Coturnix chinensis, of southern Asia and Australia, widely kept as a cage bird.
- blue-tongued lizard — a large Australian lizard, Tiliqua scincoides, characterized by having a cobalt-blue tongue.
- board certification — the process of certifying that a physician has passed an examination and met the standards of a professional organization representing a particular medical specialty.
- board of trade unit — a unit of electrical energy equal to 1 kilowatt-hour
- boat-tailed grackle — a large grackle, Quiscalus major, of the southeastern U.S., that folds its tail into a shape resembling the keel of a boat.
- bound hand and foot — with hands and feet tied
- boundary commission — (in Britain) a body established by statute to undertake periodic reviews of the boundaries of parliamentary constituencies and to recommend changes to take account of population shifts
- brand contamination — the process by which the reputation of a particular brand or product becomes tarnished by adverse publicity
- brush-tailed possum — any of several widely-distributed Australian possums of the genus Trichosurus
- building contractor — an individual or company that contracts for the construction of houses, etc
- buildings insurance — insurance which covers buildings
- bulbourethral gland — Cowper's gland
- butabarbital sodium — a barbiturate, C 10 H 15 N 2 NaO 3 , used as a sedative and hypnotic.
- by leaps and bounds — with unexpectedly rapid progess
- cable-stayed bridge — a type of suspension bridge in which the supporting cables are connected directly to the bridge deck without the use of suspenders
- carbon dioxide snow — solid carbon dioxide, used as a refrigerant
- cardbox for windows — (database) A database handling program, especially useful for scholars and librarians.
- cerebellar syndrome — a disease of the cerebellum characterized by unsteady movements and mispronunciation of words
- cerebrospinal fluid — the clear colourless fluid in the spaces inside and around the spinal cord and brain
- chamber of deputies — the lower house of the legislature of certain countries, as Italy.
- chartered librarian — (in Britain) a librarian who has obtained a qualification from the Library Association in addition to a degree or diploma in librarianship
- checks and balances — competition and mutual restraint among the various branches of government
- chlorobromide paper — a relatively fast printing paper coated with an emulsion of silver chloride and silver bromide.
- cobaltous hydroxide — a rose-red, amorphous, water-insoluble powder, Co 2 O 3 ⋅3H 2 O, used chiefly in the preparation of cobalt salts and in the manufacture of paint and varnish driers.
- cock and bull story — an absurd, improbable story presented as the truth: Don't ask him about his ancestry unless you want to hear a cock-and-bull story.
- cock-and-bull story — If you describe something that someone tells you as a cock-and-bull story, you mean that you do not believe it is true.
- convergent boundary — a major geologic discontinuity or suture marking the juncture of lithospheric plates that have been joined by plate tectonics.
- coordination number — the number of coordinated species surrounding the central atom in a complex or crystal
- cowboys and indians — a children's game in which players imitate the supposed behavior of cowboys and Indians in conflict, as in shooting, chasing, and capturing.
- cuboidal epithelium — epithelium consisting of one or more layers of cells of cuboid or polyhedral shape.
- cudgel one's brains — to think hard about a problem
- darby and joan club — a club for elderly people
- database management — the maintenance of information stored in a computer system
- de broglie equation — the postulate of wave mechanics that a particle of mass m moving at a velocity v will have the properties of a wave of wavelength h / mv (de Broglie wavelength) where h is Planck's constant.
- deathbed confession — a confession that somebody makes just before he or she dies, usually relating to some long concealed crime or secret
- department of labor — the department of the U.S. federal government that promotes and improves the welfare, opportunities, and working conditions of wage earners. Abbreviation: DOL.
- dependable software — software reliability
- detective constable — a police officer who investigates crime and who is of the lowest rank
- developable surface — a surface that can be flattened onto a plane without stretching or compressing any part of it, as a circular cone.
- devils-on-horseback — a savoury of prunes wrapped in bacon slices and served on toast
- differential backup — (operating system) A kind of backup that copies all files that have changed since the last full backup. Each differential backup will include all files in previous differential backups since the full backup so to restore a version of a file, you only need to search the full backup and the relevant differential backup. Some systems support differential backup by associating an "Archive" flag with each file and setting this flag whenever the file is modified to indicate that it should be included in the next backup. A differential backup does not change this flag, whereas an incremental backup resets it.
- disablement benefit — (in Britain) a noncontributory benefit payable to a person disabled through injury or disease caused by their work
- disambiguation page — a page on a website that lists various websites or web pages that have or could have the same title. The user is able to select from the list that page, site etc that he or she actually wants
- distinguishableness — The state or quality of being distinguishable.
- ditty bag (or box) — a small bag (or box) used as by sailors for holding sewing equipment, toilet articles, etc.
- dobsonian telescope — a relatively inexpensive Newtonian telescope, suitable for visual but not photographic use, in which the tube assembly slips freely in the lower base.
- don the baggy green — to represent Australia at Test cricket