14-letter words containing a, d, r, o, i
- archaeocyathid — one of the marine invertebrates of the extinct phylum Archaeocyatha, widely distributed during the Cambrian Period, having a limy, typically conical or cylindrical skeleton composed of sievelike inner and outer walls.
- archidiaconate — the office, term of office, or area of jurisdiction of an archdeacon
- arctic redpoll — a finch, Carduelis hornemanni, of the family Fringillidae, which breeds in tundra birch forest
- arrivals board — a board showing the time of arrival of planes, trains or buses
- arrondissement — the largest administrative subdivision of a department
- arthroconidium — A kind of asexual fungal spore, typically produced by segmentation of pre-existing fungal hyphae.
- atomic-powered — powered by atomic energy
- auction bridge — a variety of bridge, now generally superseded by contract bridge, in which all the tricks made score towards the game
- audio response — a computer response that is audible rather than textual or graphical
- auditory canal — the narrow passageway from the outer ear to the eardrum.
- auditory nerve — either of the eighth pair of cranial nerves, which connect the ear with the brain and carry impulses relating to sound and balance
- automatic door — a self-opening door
- autoradiograph — a photograph showing the distribution of a radioactive substance in a specimen. The photographic plate is exposed by radiation from the specimen
- autotetraploid — an individual or strain whose chromosome complement consists of four copies of a single genome due to doubling of an ancestral chromosome complement
- axis-ordinates — y-axis (def 1).
- backside-front — backend-to.
- ball indicator — a flight instrument that measures the angle of roll about an aircraft's horizontal axis, thereby indicating whether or not the aircraft is skidding or slipping.
- baranof island — an island off SE Alaska, in the western part of the Alexander Archipelago. Area: 4162 sq km (1607 sq miles)
- barbados pride — Also called bead tree. a tropical African and Asian tree, Adenanthera pavonina, of the legume family, having feathery foliage and bearing red seeds that are used in beadwork.
- barrier method — Barrier methods of contraception involve the use of condoms, diaphragms, or other devices that physically prevent the sperm from reaching the egg.
- bastard indigo — a bushy shrub, Amorpha fruticosa, of the legume family, native to North America, having elongated clusters of dull purplish or bluish flowers.
- bastardisation — Alternative form of bastardization.
- bastardization — the act of bastardizing
- be in bad odor — to be in ill repute
- beard-stroking — deep thought
- bearded collie — a medium-sized breed of dog having a profuse long straight coat, usually grey or fawn and often with white on the head, legs, and chest, a long tail, and a distinctive beard
- berberidaceous — of, relating to, or belonging to the Berberidaceae, a mainly N temperate family of flowering plants (mostly shrubs), including barberry and barrenwort
- beta reduction — [lambda-calculus] The application of a lambda abstraction to an argument expression. A copy of the body of the lambda abstraction is made and occurrences of the bound variable being replaced by the argument. E.g. (\ x . x+1) 4 --> 4+1 Beta reduction is the only kind of reduction in the pure lambda-calculus. The opposite of beta reduction is beta abstraction. These are the two kinds of beta conversion. See also name capture.
- beta-endorphin — a potent endorphin released by the anterior pituitary gland in response to pain, trauma, exercise, or other forms of stress.
- bildungsromane — a type of novel concerned with the education, development, and maturing of a young protagonist.
- biodegradation — to decay and become absorbed by the environment: toys that will biodegrade when they're discarded.
- bioremediation — the use of plants to extract heavy metals from contaminated soils and water
- birdcage clock — lantern clock.
- blood relation — A blood relation or blood relative is someone who is related to you by birth rather than by marriage.
- board chairman — the chairman of the board of a company, etc
- boarding house — A boarding house is a house which people pay to stay in for a short time.
- boarding party — group of officers or sailors who board a ship
- boatswain bird — tropic bird.
- border disease — a congenital infectious disease of sheep and goats caused by a Togavirus and characterized by abortion, infertility, and deformity of lambs
- botanic garden — a place in which plants are grown, studied, and exhibited
- bound variable — (in the functional calculus) a variable occurring in a quantifier and in a sentential function within the scope of the quantifier.
- boundary rider — an employee on a sheep or cattle station whose job is to maintain fences in good repair and to prevent stock from straying
- brachydiagonal — the shorter lateral axis of a rhombic prism
- brachypinakoid — the side parallel to the shorter horizontal axis in a crystal
- braddock hills — a town in SE Pennsylvania.
- brazing solder — an alloy of copper and zinc for joining two metal surfaces by melting the alloy so that it forms a thin layer between the surfaces
- bread poultice — a poultice made from breadcrumbs
- breech-loading — (of a firearm) loaded at the breech
- british dollar — any of several coins formerly issued by the British Empire for use in certain territories, as the Straits dollar or the Hong Kong dollar.
- broad daylight — of great breadth: The river was too broad to swim across.