15-letter words containing a, n, d, r, o
- ballroom dancer — a person who participates in ballroom dancing
- bandstop filter — A bandstop filter is a filter designed to eliminate all frequencies within a band of frequencies.
- banking product — one of the various services offered by a bank to its customers: mortgages, loans, insurance etc
- barn-door skate — an Atlantic skate, Raja laevis, that grows to a length of 4 feet (1.2 meters) or more.
- basse-normandie — a region of NW France, on the English Channel: consists of the Cherbourg peninsula in the west rising to the Normandy hills in the east; mainly agricultural
- beach goldenrod — a composite plant, Solidago sempervirens, of eastern and southern North America, having a thick stem and large, branched, one-sided terminal clusters of yellow flowers, flourishing on sea beaches or salt marshes.
- beast of burden — A beast of burden is an animal such as an ox or a donkey that is used for carrying or pulling things.
- ben day process — a method of adding texture, shading, or detail to line drawings by overlaying a transparent sheet of dots or any other pattern during platemaking
- benedict arnold — Benedict, 1741–1801, American general in the Revolutionary War who became a traitor.
- benzal chloride — a colorless, oily liquid, C 7 H 6 Cl 2 , used chiefly in the synthesis of benzaldehyde, and in the manufacture of dyes.
- bidirectionally — in a bidirectional manner
- black horehound — a hairy unpleasant-smelling chiefly Mediterranean plant, Ballota nigra, having clusters of purple flowers: family Lamiaceae (labiates)
- bladder campion — a European caryophyllaceous plant, Silene vulgaris, having white flowers with an inflated calyx
- blasting powder — a form of gunpowder made with sodium nitrate instead of saltpeter, used chiefly for blasting rock, ore, etc.
- blockade runner — a person, ship etc that tries to carry goods through a blockade
- blockade-runner — a ship or person that passes through a blockade.
- boarding school — A boarding school is a school which some or all of the pupils live in during the school term. Compare day school.
- body toning bar — a weighted exercise bar made of steel encased in a layer of foam, used for toning and strength training.
- borderline case — a person or thing that is not clearly classifiable as something
- brand extension — the practice of using a well-known brand name to promote new products or services in unrelated fields
- brave new world — If someone refers to a brave new world, they are talking about a situation or system that has recently been created and that people think will be successful and fair.
- bread and honey — money
- break-in period — a period during which certain restrictions or moderation in operating should be followed, as the avoidance of high speed, rapid acceleration, or severe braking for a new automobile.
- breakdown cover — insurance cover against breakdowns in a vehicle
- breeding season — the time of year during which animals breed
- bring to a head — to bring or be brought to a crisis
- bronze diabetes — hemochromatosis.
- bronzed grackle — the western subspecies of the American bird, the common grackle, Quiscalus quiscula versicolor, having bronzy, iridescent plumage.
- brown-and-serve — requiring only a brief period of browning, as in an oven, before being ready to serve: brown-and-serve rolls.
- bullnose header — bull header (def 1).
- bullnose-header — Also called bullnose header. a brick having one of the edges across its width rounded for laying as a header in a sill or the like.
- cadmean victory — a victory won with great losses to the victors
- calendarization — the process of calendarizing
- call forwarding — a telephone service that allows incoming calls to be transferred automatically to another number or extension
- calydonian boar — a savage boar sent by Artemis to destroy Calydon, a city in Aetolia, because its king had neglected to sacrifice to her. It was killed by Meleager, the king's son
- canadian forces — the official name for the military forces of Canada
- carbon monoxide — Carbon monoxide is a poisonous gas that is produced especially by the engines of vehicles.
- cardinal flower — a campanulaceous plant, Lobelia cardinalis of E North America, that has brilliant scarlet, pink, or white flowers
- cardinal humour — any of the four bodily fluids (blood, phlegm, choler or yellow bile, melancholy or black bile) formerly thought to determine emotional and physical disposition
- cardinal points — the four main points of the compass: north, south, east, and west
- cardinal vowels — a set of theoretical vowel sounds, based on the shape of the mouth needed to articulate them, that can be used to classify the vowel sounds of any speaker in any language
- cardiopulmonary — of, relating to, or affecting the heart and lungs
- cartesian doubt — willful suspension of all interpretations of experience that are not absolutely certain: used as a method of deriving, by elimination of such uncertainties, axioms upon which to base theories.
- cast around for — If you cast around for something or cast about for it, you try to find it or think of it.
- catchment board — a public body concerned with the conservation and organization of water supply from a catchment area
- chandler period — the period of the oscillation (Chandler wobble) of the earth's axis, varying between 416 and 433 days.
- chandler wobble — a slight, irregular nutation of the earth's rotational axis with a period of c. 428 days
- chanson d'amour — love song.
- chondrosarcomas — Plural form of chondrosarcoma.
- chorda tendinea — any of the tendons extending from the papillary muscles to the atrioventricular valves and preventing the valves from moving into the atria during ventricular contraction.