18-letter words containing p, a, c, i, f
- political football — a political issue that is continually debated but has not yet been resolved
- pontifical college — the chief body of priests in ancient Rome.
- prince of darkness — Satan.
- provably difficult — The set or property of problems for which it can be proven that no polynomial-time algorithm exists, only exponential-time algorithms.
- purchasing officer — the member of staff in an organization who is responsible for buying goods or products
- rabbit-proof fence — a fence through which rabbits are unable to pass
- reinforced plastic — plastic with fibrous matter, such as carbon fibre, embedded in it to confer additional strength
- richard p. feynman — (person, computing, architecture) /fayn'mn/ 1918-1988. A US physicist, computer scientist and author who graduated from Massachusetts Institute of Technology and Princeton. Feynmane was a key figure in helping Oppenheimer and team develop atomic bomb. In 1950 he became a professor at Caltech and in 1965 became Nobel Prize Laureate in Physics for QED (quantum electrodynamics). He was a primary figure in "solving" the Challenger disaster O-ring problem. He "rediscovered" the former Soviet Socialist Republic of Tuva. The 2001 film "Infinity" about Feynman's early life featured Matthew Broderick and Patricia Arquette. In 2001, "QED", a play about Feynman's life featuring Alan Alda opened.
- sampling frequency — sample rate
- self-contemplation — the act or process of thinking about oneself or one's values, beliefs, behavior, etc.
- self-deprecatingly — in a self-deprecating manner
- self-preoccupation — the state of being preoccupied.
- self-tapping screw — a screw designed to tap its corresponding female thread as it is driven.
- stepping-off place — jumping-off place (def 2).
- sweptwing aircraft — an aircraft which has wings that are swept (usually) backwards
- the family compact — the ruling oligarchy in Upper Canada in the early 19th century
- to fall into place — If things fall into place, events happen naturally to produce a situation you want.
- unfair competition — acts done by a seller to confuse or deceive the public with intent to acquire a larger portion of the market, as by cutting prices below cost, misleading advertising, selling a spurious product under a false identity, etc.