18-letter words containing a, b, r, s, i
- bursa of fabricius — a lymphoid gland of the cloaca in birds, believed to function in disease resistance, and closing or disappearing as the bird ages.
- butler's sideboard — a sideboard, often with a fall front, having on its top a china cabinet with glazed doors.
- by fits and starts — spasmodically; without concerted effort
- cabernet sauvignon — a black grape originally grown in the Bordeaux area of France, and now throughout the wine-producing world
- california rosebay — a Pacific coast shrub or tree (Rhododendron californicum) of the heath family, with rosy or purplish flowers
- cambrian mountains — a mountain range in Wales, extending from Carmarthenshire in the S to Denbighshire in the N. Highest peak: Aran Fawddwy, 891 m (2970 ft)
- camel's-hair brush — an artist's small brush, made of hair from a squirrel's tail
- 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)
- carbonic anhydrase — an enzyme in blood cells that catalyses the decomposition of carbonic acid into carbon dioxide and water, facilitating the transport of carbon dioxide from the tissues to the lungs
- carisbrooke castle — a castle near Newport on the Isle of Wight: Charles I was held prisoner here from 1647 until his execution in 1649
- chambered nautilus — nautilus (def 1).
- christian brethren — Brother of the Christian Schools.
- christian brothers — a religious congregation of laymen founded in France in 1684 for the education of the poor
- claustrophobically — In a claustrophobic way.
- combination square — an adjustable device for carpenters, used as a try square, miter square, level, etc.
- combustion chamber — an enclosed space in which combustion takes place, such as the space above the piston in the cylinder head of an internal-combustion engine or the chambers in a gas turbine or rocket engine in which fuel and oxidant burn
- combustion furnace — a furnace used in the laboratory to carry out elemental analysis of organic compounds
- corpus christi bay — a bay in S Texas, at the mouth of the Nueces River.
- creme de framboise — a liqueur flavored with raspberries.
- cumbrian mountains — a mountain range in NW England, in Cumbria. Highest peak: Scafell Pike, 977 m (3206 ft)
- depository library — a library designated by law to receive without charge all or a selection of the official publications of a government.
- devil's paintbrush — a perennial European hawkweed (Hieracium aurantiacum) with leafless flower stalks bearing a cluster of orange-red heads: now a common weed in N U.S. and Canada
- dispersible tablet — A dispersible tablet is a tablet that disintegrates in water or other liquid.
- distribution class — form class
- distribution ratio — the ratio of concentrations of a solute distributed between two immiscible solvents in contact with each other, as iodine in water and chloroform
- division of labour — a system of organizing the manufacture of an article in a series of separate specialized operations, each of which is carried out by a different worker or group of workers
- dressing table set — a set including a hairbrush, mirror and comb, often with silver backs
- eclipsing variable — a variable star whose changes in brightness are caused by periodic eclipses of two stars in a binary system.
- epstein-barr virus — a virus belonging to the herpes family that causes infectious mononucleosis; it is also implicated in the development of Burkitt's lymphoma and Hodgkin's disease
- established church — a Church that is officially recognized as a national institution, esp the Church of England
- establishmentarian — Adhering to, advocating, or relating to the principle of an established church.
- fascicular cambium — cambium that develops within the vascular bundles, producing secondary xylem and phloem.
- fibrocartilaginous — a type of cartilage having a large number of fibers.
- fire and brimstone — When people talk about fire and brimstone, they are referring to hell and how they think people are punished there after death.
- fire-and-brimstone — threatening punishment in the hereafter: a fire-and-brimstone sermon.
- furnishing fabrics — fabrics used to make and cover furniture
- gamma distribution — a continuous two-parameter distribution from which the chi-square and exponential distributions are derived, written Gamma (α. β), where α and β are greater than zero, and defined in terms of the gamma function
- gas-discharge tube — any tube in which an electric discharge takes place through a gas
- giuseppe garibaldi — Giuseppe [juh-sep-ee;; Italian joo-zep-pe] /dʒəˈsɛp i;; Italian dʒuˈzɛp pɛ/ (Show IPA), 1807–82, Italian patriot and general.
- give sb their head — If you give someone their head, you allow them to do what they want to do, without trying to advise or stop them.
- hamilton's problem — Hamiltonian problem
- have words with sb — If one person has words with another, or if two or more people have words, they have a serious discussion or argument, especially because one has complained about the other's behaviour.
- hawksbill (turtle) — a medium-sized marine turtle (Eretmochelys imbricata, family Cheloniidae) having a hawklike beak and a horny shell from which tortoise shell is obtained
- highbush cranberry — a shrub, Viburnum trilobum, of northern North America, having broad clusters of white flowers and edible scarlet berries.
- ifs, ands, or buts — a supposition; uncertain possibility: The future is full of ifs.
- impressionableness — The quality of being impressionable.
- in abraham's bosom — at rest with one's dead ancestors
- in dribs and drabs — a little at a time
- in the same breath — the air inhaled and exhaled in respiration.
- incommensurability — not commensurable; having no common basis, measure, or standard of comparison.