21-letter words containing f, a, p, i
- operational amplifier — a high-gain, high-input impedance amplifier, usually an integrated circuit, that can perform mathematical operations when suitably wired.
- pacific daylight time — the version of Pacific Standard Time that is in use when daylight saving time is being observed
- pacific standard time — See under standard time.
- part of the furniture — If you describe someone or something as part of the furniture, you are suggesting that they have been somewhere such as their place of work for such a long time that it is hard to imagine that place without them.
- partial reinforcement — the process of randomly rewarding an organism for making a response on only some of the occasions it makes it
- 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
- pellitory-of-the-wall — an urticaceous plant, P. diffusa, of the S and W European genus Parietaria, which grows in crevices and has long narrow leaves and small pink flowers
- 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.
- peroxydisulfuric acid — persulfuric acid (def 2).
- 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).
- play with a full deck — Nautical. a floorlike surface wholly or partially occupying one level of a hull, superstructure, or deckhouse, generally cambered, and often serving as a member for strengthening the structure of a vessel. the space between such a surface and the next such surface above: Our stateroom was on B deck.
- 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
- 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
- program temporary fix — (programming) (PTF) (Colloquially: Probably This Fixes) An IBM sanctioned patch, often implemented using ZAP or SUPERZAP.
- promoter of the faith — devil's advocate (def 2).
- psychological warfare — the use of propaganda, threats, and other psychological techniques to mislead, intimidate, demoralize, or otherwise influence the thinking or behavior of an opponent.
- reinforcement therapy — a behavior modification technique in which appropriate behavior is strengthened through systematic reinforcement.
- sales finance company — a finance company that purchases, at a discount, installment contracts from dealers or that finances retail sales.
- saponification number — the number of milligrams of potassium hydroxide required to saponify one gram of a given ester, especially a glyceride.
- single parent benefit — a form of government funded financial assistance paid to single parents
- snap one's fingers at — any of the terminal members of the hand, especially one other than the thumb.
- south pacific current — an ocean current that flows E in the South Pacific Ocean parallel to the Antarctic Circumpolar Current.
- split-finger fastball — a type of fastball that sinks abruptly as it nears home plate, thrown with the grip used for a forkball
- split-screen facility — a facility allowing different scenes to be shown on screen at the same time
- spotted alfalfa aphid — a pale yellowish aphid, Therioaphis maculata, of the southern U.S., especially west of the Mississippi River, that is marked with black spots and has fine spines on its back: a pest mainly of alfalfa and some other legumes, as clover.
- sun protection factor — SPF.
- supplementary benefit — (formerly) an extra amount of money that is paid to someone by the government, in addition to their normal income. Replaced by income support in 1988
- surface of projection — the surface upon which an image or a set of points is projected.
- symphonie fantastique — a programmatic symphony (1830–31) in five movements by Hector Berlioz.
- the acting profession — actors considered as a group
- the shipping forecast — a radio broadcast made by the BBC of weather reports and forecasts for the seas around the British Isles
- the supreme sacrifice — the sacrifice of one's life
- theater of operations — the part of the theater of war, including a combat zone and a communications zone, that is engaged in military operations and their support.
- to fall into the trap — If someone falls into the trap of doing something, they think or behave in a way which is not wise or sensible.
- to play second fiddle — If you play second fiddle to someone, your position is less important than theirs in something that you are doing together.
- tripartite and fretty — (of a cross) having the limbs divided into three longitudinal strips each, intermingled in the manner of those in a cross parted and fretty.
- whip-and-tongue graft — a graft prepared by cutting both the scion and the stock in a sloping direction and inserting a tongue in the scion into a slit in the stock.
- wildlife photographer — someone that specializes in taking photographs of wild animals, especially in their natural habitats, and plants
- writ of habeas corpus — law: petition for hearing