19-letter words containing a, l, b, o, r
- briggsian logarithm — common logarithm.
- 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
- bulbourethral gland — Cowper's gland
- buster brown collar — a medium-sized, starched collar with rounded edges, lying flat on the shoulders, worn by women and girls.
- butabarbital sodium — a barbiturate, C 10 H 15 N 2 NaO 3 , used as a sedative and hypnotic.
- california bluebell — either of two plants, Phacelia campanularia or P. minor, of southern California, having ovate leaves and bell-shaped blue or purple flowers.
- california job case — a job case having sufficient spaces to contain both uppercase and lowercase letters and 37 additional characters of foundry type. Compare case2 (def 8).
- carbon steel piping — Carbon steel piping is pipes made of steel with carbon as the main alloying component, used for transporting fluids.
- caroline of ansbach — 1683–1737, wife of George II of Great Britain
- cerebellar syndrome — a disease of the cerebellum characterized by unsteady movements and mispronunciation of words
- cerebral hemorrhage — hemorrhage from a blood vessel into the cerebrum, often followed by neurologic damage; a type of stroke.
- cerebral thrombosis — formation of a clot or other blockage in one of the blood vessels of the brain, often followed by neurologic damage; a type of stroke.
- cerebrospinal fluid — the clear colourless fluid in the spaces inside and around the spinal cord and brain
- chlorobromide paper — a relatively fast printing paper coated with an emulsion of silver chloride and silver bromide.
- chlorofluorocarbons — Plural form of chlorofluorocarbon.
- chromoblastomycosis — Long-term fungal infection of the skin and subcutaneous tissue.
- 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.
- collective behavior — the spontaneous, unstructured, and temporary behavior of a group of people in response to the same event, situation, etc.
- connecticut warbler — a North American wood warbler, Oporornis agilis, olive-green above with a gray head and throat and yellow below.
- corrosive sublimate — mercuric chloride
- cudgel one's brains — to think hard about a problem
- darby and joan club — a club for elderly people
- 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.
- 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
- 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
- double-helical gear — herringbone gear.
- dry-bulk cargo ship — a ship that carries an unpackaged dry cargo such as coal or grain; bulk carrier
- ebola virus disease — Also called Ebola fever, Ebola hemorrhagic fever, Ebola virus disease. a usually fatal disease, a type of hemorrhagic fever, caused by the Ebola virus and marked by high fever, severe gastrointestinal distress, and bleeding.
- electro-shock baton — a baton used as a weapon to pass an electric current through part of the body
- electronic keyboard — a typewriter keyboard used to operate an electronic device such as a computer, word processor, etc
- employment tribunal — (in England, Scotland, and Wales) a tribunal that rules on disputes between employers and employees regarding unfair dismissal, redundancy, etc
- environmental lobby — a group of people who promote environmental issues to government, the public, and business
- february revolution — Russian Revolution (def 1).
- february-revolution — Also called February Revolution. the uprising in Russia in March, 1917 (February Old Style), in which the Czarist government collapsed and a provisional government was established.
- feel strongly about — to have decided opinions concerning
- florida velvet bean — a tropical vine, Mucuna deeringiana, of the legume family, having showy, purple flowers in drooping clusters and black, hairy pods: grown as an ornamental.
- flowering raspberry — a shrub, Rubus ordoratus, of eastern North America, having loose clusters of showy purplish or rose-purple flowers and inedible, dry, red fruit.
- for all sb is worth — If you do something for all you are worth, you do it with a lot of energy and enthusiasm.
- gentile da fabriano — 1370?–1427, Italian painter.
- goldbach conjecture — an unproved theorem that every even integer greater than 2 can be written as the sum of two prime numbers.
- goodwill ambassador — an ambassador who shows goodwill to another country, organization, etc, on behalf of his or her own country, organization, etc
- grasshopper warbler — a Eurasian warbler Locustella naevia
- hamiltonian problem — (computability) (Or "Hamilton's problem") A problem in graph theory posed by William Hamilton: given a graph, is there a path through the graph which visits each vertex precisely once (a "Hamiltonian path")? Is there a Hamiltonian path which ends up where it started (a "Hamiltonian cycle" or "Hamiltonian tour")? Hamilton's problem is NP-complete. It has numerous applications, sometimes completely unexpected, in computing.
- handlebar moustache — a man's moustache having long, curved ends that resemble the handlebars of a bicycle.
- have a problem with — to be unable to understand or do