21-letter words containing c, o, n, f, i, r
- partition coefficient — the ratio of the concentrations of a substance in two heterogenous phases in equilibrium with each other
- pathfinder prospectus — a prospectus regarding the flotation of a new company that contains only sufficient details to test the market reaction
- performance appraisal — the assessment, at regular intervals, of an employee's performance at work
- performance indicator — a quantitative or qualitative measurement, or any other criterion, by which the performance, efficiency, achievement, etc of a person or organization can be assessed, often by comparison with an agreed standard or target
- performance-enhancing — noting or relating to a drug or other substance used to improve one's performance in a sport or other activity requiring strength, stamina, etc.: The use of performance-enhancing steroids by athletes is banned.
- persistence of memory — a painting (1931) by Salvador Dali.
- persistence of vision — the retention of a visual image for a short period of time after the removal of the stimulus that produced it: the phenomenon that produces the illusion of movement when viewing motion pictures.
- piero della francesca — Piero della [pee-air-oh del-uh;; Italian pye-raw del-lah] /piˈɛər oʊ ˈdɛl ə;; Italian ˈpyɛ rɔ ˈdɛl lɑ/ (Show IPA), (Piero dei Franceschi) c1420–92, Italian painter.
- place of articulation — the location at which two speech organs approach or come together in producing a speech sound, as in the contact of the tongue and the teeth to form a dental sound. Also called point of articulation. Compare articulator (def 2).
- point of articulation — place of articulation.
- powersoft corporation — (company) A leading vendor of client/server application development tools. In February 1994, Watcom became a wholly-owned subsidiary of Powersoft Corporation which merged with Sybase on 13 February 1995. In April 1995, the new company is the fastest growing top-ten software company and the seventh largest software company in the world. Headquarters: Concord, Massachusetts, USA.
- preacquisition profit — the retained profit of a company earned before a takeover and therefore not eligible for distribution as a dividend to the shareholders of the acquiring company
- prefect of discipline — a senior master in a Jesuit school or college
- professional services — (job) A department of a supplier providing consultancy and programming manpower for the supplier's products.
- profit-sharing scheme — a scheme employing profit-sharing; a system in which a portion of the net profit of a business is distributed to its employees, usually in proportion to their wages or their length of service
- purple-fringed orchid — either of two orchids, Habenaria fimbriata or H. psycodes, of eastern North America, having a cluster of fragrant purple flowers with a fringed lip.
- purple-fringed orchis — either of two North American orchids (Habenaria psycodes and H. fimbriata) with purple-fringed flowers
- radius of convergence — a positive number so related to a given power series that the power series converges for every number whose absolute value is less than this particular number.
- range of significance — the set of subjects for which a given predicate is intelligible
- reconnaissance flight — a flight made by an aircraft in order to obtain military information about a particular place
- record of achievement — a statement of the personal and educational development of each pupil
- reinforcement therapy — a behavior modification technique in which appropriate behavior is strengthened through systematic reinforcement.
- road traffic accident — an accident involving vehicles
- rutherford scattering — the scattering of an alpha particle through a large angle with respect to the original direction of motion of the particle, caused by an atom (Rutherford atom) with most of the mass and all of the positive electric charge concentrated at a center or nucleus.
- saponification number — the number of milligrams of potassium hydroxide required to saponify one gram of a given ester, especially a glyceride.
- satisficing behaviour — the form of behaviour demonstrated by firms who seek satisfactory profits and satisfactory growth rather than maximum profits
- self-characterization — portrayal; description: the actor's characterization of a politician.
- silicon tetrafluoride — a colorless, fuming gas, SiF 4 , used chiefly in the manufacture of fluosilicic acid.
- social stratification — the act or an instance of stratifying.
- south pacific current — an ocean current that flows E in the South Pacific Ocean parallel to the Antarctic Circumpolar Current.
- stare one in the face — to be glaringly obvious or imminent
- stations of the cross — a series of 14 crosses, often accompanied by 14 pictures or carvings, arranged in order around the walls of a church, to commemorate 14 supposed stages in Christ's journey to Calvary
- sun protection factor — SPF.
- surface friction drag — the part of the drag on a body moving through a fluid that is dependent on the nature of the surface of the body
- surface of projection — the surface upon which an image or a set of points is projected.
- surface of revolution — a surface formed by revolving a plane curve about a given line.
- synchronized shifting — gear shifting in which the gears to be meshed are made to rotate at the same speed.
- teacher certification — official qualifications for educators
- tetrabromofluorescein — eosin (def 1).
- the acting profession — actors considered as a group
- the microsoft network — (networking) (MSN) Microsoft's ISP and online content service, launched in October 1996. Not to be confused with Microsoft Networking. MSN was originally based on custom software and protocols, however Microsoft saw the error of their ways and adopted Internet standards. MSN now provides standard WWW and email facilities, albeit with Microsoft's Internet Explorer web-browser and the Outlook Express email software. The service also provides "Community Services" including newsgroups, forums, and chat.
- the origin of species — (On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life) a treatise (1859) by Charles Darwin setting forth his theory of evolution.
- the shipping forecast — a radio broadcast made by the BBC of weather reports and forecasts for the seas around the British Isles
- the stationery office — (in the UK) the company that supplies the civil service with all its office supplies, machinery, printing and binding, etc
- tide-generating force — the difference between the force of gravity exerted by the moon or the sun on a particle of water in the ocean and that exerted on an equal mass of matter at the centre of the earth. The lunar tide-generating forces are about 2.2 times greater than are the solar ones
- to cross your fingers — If you cross your fingers, you put one finger on top of another and hope for good luck. If you say that someone is keeping their fingers crossed, you mean they are hoping for good luck.
- traffic control tower — an elevated structure for the visual observation and control of the air and ground traffic at an airport
- tumor necrosis factor — a protein, produced in humans and other animals, that is destructive to cells showing abnormally rapid growth: identical with cachectin. Abbreviation: TNF.
- uniform resource name — (web) (URN, previously Uniform/Universal Resource Number) 1. Any URI which is not a URL. 2. A particular scheme which is currently (1991-4) under development by the IETF, which should provide for the resolution using Internet protocols of names which have a greater persistence than that currently associated with Internet host names or organisations (as used in URLs). Uniform Resource Names will be URI schemes that improve on URLs in reliability over time, including authenticity, replication, and high availability. When defined, a URN in sense 1 will be an example of a URN in sense 2.
- union of south africa — former name for South Africa, Republic of.