15-letter words containing r, a, s, t
- bacterial ghost — a bacterial cell that is emptied and filled artificially with another substance
- bacteriophagous — Pertaining to the predation and consumption of bacterium.
- ballet mistress — a woman who teaches and rehearses the dancers in a ballet company
- bandpass filter — A bandpass filter is a filter designed to pass all frequencies within a band of frequencies.
- bandstop filter — A bandstop filter is a filter designed to eliminate all frequencies within a band of frequencies.
- bangtail muster — a roundup of cattle to be counted, each one having the hairs on its tail docked as it is counted
- baptism of fire — If someone who has just begun a new job has a baptism of fire, they immediately have to cope with very many severe difficulties and obstacles.
- barium stearate — a white, crystalline, water-insoluble solid, Ba(C 18 H 35 O 2) 2 , used chiefly as a waterproofing agent and as a lubricant.
- barium sulphate — a white insoluble fine dense powder, used as a pigment, as a filler for paper, rubber, etc, and in barium meals. Formula: BaSO4
- barn-door skate — an Atlantic skate, Raja laevis, that grows to a length of 4 feet (1.2 meters) or more.
- barry mountains — a mountain range in SE Australia, in E Victoria: part of the Australian Alps
- basic autocoder — Early system on IBM 7070. Listed in CACM 2(5):16 (May 1959).
- bathroom scales — scales typically kept in a bathroom for people to weigh themselves
- bathurst island — an island off the coast of N Nunavut, Canada, in the Arctic Archipelago: present south of the North Magnetic Pole nearby. 7609 sq. mi. (19,707 sq. km).
- battleship gray — a subdued bluish gray.
- bayeux tapestry — an 11th- or 12th-century embroidery in Bayeux, nearly 70.5 m (231 ft) long by 50 cm (20 inches) high, depicting the Norman conquest of England
- 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.
- beef stroganoff — a dish of thin strips of beef cooked with onions, mushrooms, and seasonings, served in a sour-cream sauce
- before the mast — as an apprentice seaman
- belt-and-braces — providing double security, in case one security measure should fail
- berkeley castle — a castle in Gloucestershire: scene of the murder of Edward II in 1327
- beside the mark — not striking the point aimed at
- beta conversion — (theory) A term from lambda-calculus for beta reduction or beta abstraction.
- bias (ply) tire — a motor vehicle tire having a foundation of plies of rubberized cords in a crisscross pattern of lines diagonal to the center line of the tread
- bioastronautics — the study of the effects of space flight on living organisms
- biostratigraphy — the examination of the ages of rock strata by using fossils
- biot-savart law — the law that the magnetic induction near a long, straight conductor, as wire, varies inversely as the distance from the conductor and directly as the intensity of the current in the conductor.
- black september — a Palestinian Terrorist group, responsible for the assassinations of Israeli athletes at the Olympic Games at Munich in 1972
- black snakeroot — a tall bugbane, Cimicifuga racemosa, of the buttercup family, of eastern North America, having thin, tapering, toothed or deeply cut leaflets and branched clusters of small, white flowers.
- blasting powder — a form of gunpowder made with sodium nitrate instead of saltpeter, used chiefly for blasting rock, ore, etc.
- blue wood aster — a composite plant, Aster cordifolius, of North America, having heart-shaped leaves and pale-blue flowers.
- bluegrass state — Kentucky (used as a nickname).
- boa constrictor — A boa constrictor is a large snake that kills animals by wrapping itself round their bodies and squeezing them to death. Boa constrictors are found mainly in South and Central America and the West Indies.
- bohemian forest — a mountain range between the SW Czech Republic and SE Germany. Highest peak: Arber, 1457 m (4780 ft)
- boston marriage — (especially in 19th-century New England) an intimate friendship between two women often maintaining a household together.
- boston massacre — an outbreak (1770) in Boston against British troops, in which a few citizens were killed
- brachistochrone — the curve between two points through which a body moves under the force of gravity in a shorter time than for any other curve; the path of quickest descent
- brachystomatous — having a short proboscis, as certain insects.
- brackett series — a series of lines in the infrared spectrum of hydrogen.
- bragging rights — notional privileges that are gained by defeating a close rival
- branchiostegous — branchiostegal.
- brand extension — the practice of using a well-known brand name to promote new products or services in unrelated fields
- bravais lattice — any of 14 possible space lattices found in crystals
- breach of trust — a violation of duty by a trustee or any other person in a fiduciary position
- break statement — (programming) A statement in the C programming language that transfers control out of the innermost enclosing switch, while, do, or for statement. The statement also exists in languages derived from C, such as C++ and Java.
- breakfast table — You refer to a table as the breakfast table when it is being used for breakfast.
- breaking strain — the amount of strain that, if applied to a particular material, will cause it to break
- breathing space — A breathing space is a short period of time between two activities in which you can recover from the first activity and prepare for the second one.
- brights-disease — a disease characterized by albuminuria and heightened blood pressure.
- brillat-savarin — Anthelme (ɑ̃tɛlm). 1755–1826, French lawyer and gourmet; author of Physiologie du Goût (1825)