17-letter words containing c, o, m, f
- old norman french — Norman French (sense 1)
- out of commission — the act of committing or entrusting a person, group, etc., with supervisory power or authority.
- overhead camshaft — a camshaft in an automotive engine that is located in the cylinder head over the engine block rather than in the block. Abbreviation: OHC.
- pair of compasses — compass (def 7)
- performance bonus — a monetary bonus paid to staff who have performed well in their job
- performance drugs — the drugs that are taken illegally by athletes to enhance their sporting performance
- phenylformic acid — benzoic acid.
- pre-modifications — an act or instance of modifying.
- pro forma invoice — an invoice issued before an order is placed or before the goods are delivered giving all the details and the cost of the goods
- profile component — attainment targets in different subjects brought together for the general assessment of a pupil
- quadratic formula — the formula for determining theroots of a quadratic equation from its coefficients: .
- recursion formula — a formula for determining the next term of a sequence from one or more of the preceding terms.
- reduction formula — a formula, such as sin (90° ± A) = cos A, expressing the values of a trigonometric function of any angle greater than 90° in terms of a function of an acute angle
- republic of yemen — Republic of, a country in S Arabia, formed in 1990 by the merger of the Yemen Arab Republic and the People's Democratic Republic of Yemen. 207,000 sq. mi. (536,130 sq. km). Capital: Aden.
- rheumatoid factor — an antibody that is found in the blood of many persons afflicted with rheumatoid arthritis and that reacts against globulins in the blood.
- scientific method — a method of research in which a problem is identified, relevant data are gathered, a hypothesis is formulated from these data, and the hypothesis is empirically tested.
- self-commendation — the act of commending; recommendation; praise: commendation for a job well done.
- self-condemnation — the act of condemning.
- self-confirmation — the act of confirming.
- self-emancipation — the act of emancipating.
- self-incompatible — not capable of self-pollination.
- sound effects man — a man who produces sounds artificially or reproduces them from a recording, etc, to create a theatrical effect, such as the bringing together of two halves of a hollow coconut shell to simulate a horse's gallop. Such sound effects are used in plays, films, etc
- sword of damocles — Damocles (def 2).
- the olympic flame — the flame that is symbolically lit at the site of the ancient Olympics in Olympia and transported by relay to the place where the Olympic Games are to be held. It is used to ignite a fire in a cauldron that will burn throughout the Games
- traffic policeman — a policeman controlling traffic, esp while stationed at an intersection, or enforcing traffic regulations
- uncomfortableness — causing discomfort or distress; painful; irritating.
- unconformity trap — An unconformity trap is a hydrocarbon trap where the closure is made by an unconformity (= a formation of rock layers which represents a gap in the geological record).
- velocity of money — the frequency with which a single unit of currency or the total money supply turns over within the economy in a given year.
- vermiform process — vermiform appendix.
- wave-cut platform — a flat surface at the base of a cliff formed by erosion by waves
- welfare economics — a branch of economics concerned with improving human welfare and social conditions chiefly through the optimum distribution of wealth, the relief or reduction of unemployment, etc.