19-letter words containing p, e, n, r
- 3dnow! professional — (architecture) A floating point SIMD extention from AMD, compatible with Intel's SSE, introduced with the Athlon-4.
- a drop in the ocean — If you say that something is a drop in the ocean, you mean that it is a very small amount which is unimportant compared to the cost of other things or is so small that it has very little effect on something.
- a matter of opinion — If you say that a statement is a matter of opinion, you mean that it is not a fact, and that other people, including yourself, do not agree with it.
- a slap on the wrist — A slap on the wrist is a warning or a punishment that is not very severe.
- a storm in a teacup — If you describe a situation as a storm in a teacup, you think that a lot of fuss is being made about something that is not important.
- absorption spectrum — the characteristic pattern of dark lines or bands that occurs when electromagnetic radiation is passed through an absorbing medium into a spectroscope. An equivalent pattern occurs as coloured lines or bands in the emission spectrum of that medium
- accessory apartment — a self-contained living area within a single-family home, as for an aging parent.
- accident prevention — avoidance of the occurrence of an accident
- accident protection — a form of insurance which pays out in the event of an accident when driving
- accommodation paper — a bill of exchange cosigned by one party as maker, acceptor, or endorser without requiring collateral or a fee, in order to lend his or her credit reputation to the second party
- accompanying letter — a letter that comes with another document or enclosure
- accounts department — the section of a company that deals with the accounts
- acoustic gramophone — a device for reproducing the sounds stored on a record: now usually applied to the nearly obsolete type that uses a clockwork motor and acoustic horn
- adrenocorticotropic — that can stimulate the cortex of the adrenal glands
- adrenocorticotropin — ACTH.
- aerial top dressing — the process of spreading lime, fertilizer, etc over farmland from an aeroplane
- agency spokesperson — a spokesperson for a government agency
- agitated depression — severe depression accompanied by extreme anxiety and agitation
- agner krarup erlang — (person) (1878-1929) A Danish mathematician. Erlang the language and unit were named after him. Interested in the theory of probability, in 1908 Erlang joined the Copenhagen Telephone Company where he studied the problem of waiting times for telephone calls. He worked out how to calculate the fraction of callers who must wait due to all the lines of an exchange being in use. His formula for loss and waiting time was published in 1917. It is now known as the "Erlang formula" and is still in use today.
- aladdin enterprises — (company) A small, privately owned, US software consulting and development company, founded in 1986, best known as the original developer of Ghostscript. Address: San Francisco Peninsula, California, USA. Not to be confused with Aladdin Systems, Inc..
- algebraic operation — any of the mathematical operations of addition, subtraction, multiplication, division, raising to a power, or extraction of a root.
- alpha ursae minoris — Polaris
- alternative pathway — the activation of complement by contact with polysaccharides on bacteria, protozoa, or yeast cells: a nonspecific immune response. Compare classical pathway.
- ambient temperature — Ambient temperature is the temperature of the air surrounding a component.
- american crab apple — a twiggy, stiff-branched tree, Malus coronaria, of southern central North America, having small fruit and rose-colored flowers that change to white.
- ancillary equipment — Ancillary equipment is machines and other technical things which are used with the main items of equipment to create a complete system.
- angle of depression — depression (def 11).
- answerphone message — a pre-recorded message that is left on an answering machine, usually inviting callers to leave a message
- 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.
- 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
- apollonius of perga — ?261–?190 bc, Greek mathematician, remembered for his treatise on conic sections
- appetite depressant — a product which reduces one's appetite
- appointments bureau — an office responsible for filling appointments
- appraisal interview — an interview by the manager of an employee who is being appraised
- 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
- asperger's syndrome — a form of autism in which the person affected has limited but obsessive interests, and has difficulty relating to other people
- assistant professor — An assistant professor is a college teacher who ranks above an instructor but below an associate professor.
- at one's fingertips — readily available and within one's mental grasp
- 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.
- audio response unit — a device that enables a computer to give a spoken response by generating sounds similar to human speech.
- 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.
- awareness programme — a programme designed to increase awareness of something
- banker's acceptance — a draft or bill of exchange drawn on a bank and accepted by it
- bankruptcy petition — an official request for protection under bankruptcy laws, which initiates bankruptcy proceedings
- be burnt to a crisp — If something is burnt to a crisp, it is completely burnt.
- be one's own person — a human being, whether an adult or child: The table seats four persons.
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