19-letter words containing a, r, e, c, i
- ancillary equipment — Ancillary equipment is machines and other technical things which are used with the main items of equipment to create a complete system.
- angioneurotic edema — swelling that occurs just beneath the surface of the skin or mucous membranes.
- 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.
- antarctic peninsula — the largest peninsula of Antarctica, between the Weddell Sea and the Pacific: consists of Graham Land in the north and the Palmer Peninsula in the south
- 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.
- 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.
- 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
- arbitration service — a service which provides an impartial referee to settle disputes
- arecibo observatory — an observatory in Puerto Rico at which the world's largest dish radio telescope (diameter 305 m) is situated. It is operated by the National Astronomy and Ionosphere Center
- 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.
- articulated vehicle — a large vehicle (esp a lorry) made in two separate sections, a tractor and a trailer, connected by a pivoted bar
- artificial additive — artificial flavouring, colouring or preservatives
- artificial language — an invented language, esp one intended as an international medium of communication or for use with computers
- as far as i can see — You can use the expression 'as far as I can see' when you are about to state your opinion of a situation, or have just stated it, to indicate that it is your personal opinion.
- assistant secretary — a person who assists a secretary in their work
- associate professor — An associate professor is a college teacher who ranks above an assistant professor but below a professor.
- associative storage — a storage device in which the information is identified by content rather than by an address
- asymmetric war-fare — warfare in which opposing groups or nations have unequal military resources, and the weaker opponent uses unconventional weapons and tactics, as terrorism, to exploit the vulnerabilities of the enemy.
- at bus architecture — Industry Standard Architecture
- at one's discretion — as one wishes
- 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.
- 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).
- attendance register — an official list of people who are present at an institution such as a school
- attractive nuisance — Law. a doctrine of tort law under which a person who creates or permits to exist on his or her land a dangerous condition attractive to children, as an unfenced swimming pool, is liable for their resulting injuries, even though the injured are trespassers.
- 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.
- auricular appendage — auricle (def 1b).
- auricular-appendage — Anatomy. the projecting outer portion of the ear; pinna. Also called auricular appendage. an ear-shaped appendage projecting from each atrium of the heart. (loosely) the atrium.
- auriculoventricular — atrioventricular.
- autoerotic asphyxia — asphyxia caused by intentionally strangling oneself while masturbating in order to intensify the orgasm through reduced oxygen flow to the brain.
- ave regina coelorum — a Latin hymn in honor of the Virgin Mary as Queen of Heaven.
- 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.
- bacillary dysentery — shigellosis.
- backward compatible — backward compatibility
- bacteriochlorophyll — a pale blue-gray form of chlorophyll that is unique to the photosynthetic but anaerobic purple bacteria.
- balfour declaration — the statement made by Arthur Balfour in 1917 of British support for the setting up of a national home for the Jews in Palestine, provided that the rights of "existing non-Jewish communities" in Palestine could be safeguarded
- bank reconciliation — A bank reconciliation is the process of adjusting a bank statement to show transactions that have occurred since the date of issue, or a document showing this.
- bankruptcy petition — an official request for protection under bankruptcy laws, which initiates bankruptcy proceedings
- barometric gradient — pressure gradient
- barometric pressure — atmospheric pressure as indicated by a barometer
- batterie de cuisine — cooking utensils collectively; pots and pans, etc
- baudotbetical order — (algorithm) /baw do bet' i k*l/ Sorted into an order where numerics and special characters are intermixed by sorting a 5-bit Baudot code file ignoring the numeric shift and unshift codes.
- be burnt to a crisp — If something is burnt to a crisp, it is completely burnt.
- behavioral genetics — an interdisciplinary field studying the effects of genetics and hereditary factors on animal and human behavior.
- behavioral medicine — an interdisciplinary field that uses the concepts and techniques of the behavioral sciences to improve physical and emotional health.