19-letter words containing a, r, o, n, i
- american directoire — a style of American furniture making and related crafts from c1805 to c1815, corresponding to the French Directoire and English Regency styles.
- american revolution — a sequence of actions by American colonists from 1763 to 1775 protesting British domination and culminating in the Revolutionary War
- american smoke tree — a small tree, Cotinus obovatus, of the cashew family, of the central southern U.S., having yellowish flowers and clusters of fleshy fruit with silky plumes.
- ammonium bifluoride — a white, crystalline, water-soluble, poisonous solid, NH 4 HF 2 , used chiefly for cleaning and sterilizing brewing and dairy equipment.
- anaerobic digestion — the conversion of biodegradable waste matter into compost in the absence of oxygen
- analytical geometry — the branch of geometry that uses algebraic notation and analysis to locate a geometric point in terms of a coordinate system; coordinate geometry
- anarcho-syndicalism — syndicalism.
- anarcho-syndicalist — syndicalism.
- angioneurotic edema — swelling that occurs just beneath the surface of the skin or mucous membranes.
- angle of depression — depression (def 11).
- angle of reflection — the angle that a beam of reflected radiation makes with the normal to a surface at the point of reflection
- angle of refraction — the angle that a refracted beam of radiation makes with the normal to the surface between two media at the point of refraction
- anno urbis conditae — in a (specified) year from the founding of the city: the ancient Romans reckoned dates from Rome's founding, c. 753 b.c.
- anterograde amnesia — amnesia caused by brain damage in which the memory loss relates to events occurring after the damage
- anthropic principle — the cosmological theory that the presence of life in the universe limits the ways in which the very early universe could have evolved
- anthropocentrically — regarding the human being as the central fact of the universe.
- anthropomorphically — ascribing human form or attributes to a being or thing not human, especially to a deity.
- anti-comintern pact — a pact formed in 1936, based on agreements between Germany and Japan to oppose communism and the Third International: Italy and Spain subsequently became signatories.
- anti-prohibitionist — a person who favors or advocates prohibition.
- anticholinesterases — Plural form of anticholinesterase.
- anticipatory breach — a declaration by one party to a contract that it does not intend to fulfil its obligations to the second party, who can then accept this declaration and choose not to be bound by the contract
- antimony trisulfide — a black or orange-red crystalline compound, Sb2S3, used as a pigment, in pyrotechnics and matches, for fireproofing fabrics and paper, etc.
- antoine louis barye — Antoine Louis [ahn-twan lwee] /ɑ̃ˈtwan lwi/ (Show IPA), 1795–1875, French sculptor and painter.
- apollonius of perga — ?261–?190 bc, Greek mathematician, remembered for his treatise on conic sections
- application program — a computer program that is written and designed for a specific need or purpose
- appointments bureau — an office responsible for filling appointments
- arbitration service — a service which provides an impartial referee to settle disputes
- aristotle's lantern — a complex arrangement of muscles and calcareous teeth and plates forming an eversible organ in most echinoids, functioning in mastication.
- armed response unit — (in Britain) a unit of police officers who are trained to use firearms in situations where unarmed police officers would be in danger
- aromatase inhibitor — any of a class of drugs that inhibit the action of aromatase: used in the treatment of breast and ovarian cancer
- arsenic trichloride — a colorless or yellow, oily, poisonous liquid, AsCl 3 , used chiefly as an intermediate in the manufacture of organic arsenicals.
- artemis microkernel — (operating system) A microkernel currently under development by Dave Hudson <[email protected]>, scheduled for release under GPL in May 1995. It is targeted at embedded applications on Intel 80386, Intel 486 and Pentium based systems.
- ask for a signature — If you ask for a signature, you ask someone to write their name, in their own characteristic way, on a document.
- assistant professor — An assistant professor is a college teacher who ranks above an instructor but below an associate professor.
- at one's discretion — as one wishes
- at one's fingertips — readily available and within one's mental grasp
- at your convenience — at a time suitable to you
- atmospheric braking — a technique of reentry in which the vehicle is maneuvered in the upper atmosphere so as to lose velocity by utilizing drag without overheating.
- atrial fibrillation — a local and uncontrollable twitching of muscle fibres that results in rapid and irregular heart and pulse rate
- attachment disorder — an emotional and behavioral disorder arising from a failure to form a strong bond with one’s primary caregiver in early childhood and affecting one’s social relationships in later childhood and adulthood. See also attachment (def 3a).
- audio response unit — a device that enables a computer to give a spoken response by generating sounds similar to human speech.
- augsburg confession — the statement of beliefs and doctrines of the Lutherans, formulated by Melanchthon and endorsed by the Lutheran princes, which was presented at the Diet of Augsburg in 1530 and which became the chief creed of the Lutheran Church.
- auriculoventricular — atrioventricular.
- austro-prussian war — the war (1866) in which Prussia, Italy, and some minor German states opposed Austria, Saxony, Hanover, and the states of southern Germany.
- author's alteration — a correction or change made in typeset copy that is not a correction of an error introduced by the compositor. Abbreviation: AA, A.A., a.a., aa.
- autotransplantation — autograft.
- ave regina coelorum — a Latin hymn in honor of the Virgin Mary as Queen of Heaven.
- baader-meinhof gang — a group of left-wing West German terrorists, active in the 1970s, who were dedicated to the violent overthrow of capitalist society
- bachelor of science — A Bachelor of Science is a first degree in a science subject. In British English, it can also mean a person with that degree. The abbreviation BSc or , BSc is also used.
- baja california sur — a state of NW Mexico, in the S part of the Lower California peninsula. Capital: La Paz. Pop: 423 516 (2000). Area: 73 475 sq km (28 363 sq miles)