17-letter words containing c, o, f, i, n
- 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
- reflection nebula — a cloud of interstellar gas and dust that reflects the light of neighboring stars.
- refuse collection — the collection of rubbish and waste, usually in a rubbish or refuse truck, before final disposal
- republic of china — People's Republic of, a country in E Asia. 3,691,502 sq. mi. (9,560,990 sq. km). Capital: Beijing.
- 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.
- republic-of-china — People's Republic of, a country in E Asia. 3,691,502 sq. mi. (9,560,990 sq. km). Capital: Beijing.
- resurrection fern — a drought-resistant, evergreen, epiphytic fern, Polypodium polypodioides, of subtropical to tropical America, appearing to be a ball of coiled, dead leaves in the dry season but reviving with moisture.
- return of capital — A return of capital is a situation in which you receive back money that was previously invested.
- returning officer — a public official appointed to conduct and preside at an election.
- road-fund licence — a licence showing that the tax payable in respect of a motor vehicle has been paid
- rotation of crops — a system of rotating in a fixed order the kinds of crops, as grain or grass, grown in the same field, to maintain soil fertility
- sacrificial anode — Chemistry. an anode that is attached to a metal object subject to electrolysis and is decomposed instead of the object.
- safety inspection — an inspection of a place carried out to ensure that it is safe and not dangerous
- safety precaution — a precaution that is taken in order to ensure that something is safe and not dangerous
- san francisco bay — a bay in W California: the harbor of San Francisco; connected with the Pacific by the Golden Gate strait. 50 miles (80 km) long; 3–12 miles (5–19 km) wide.
- scarlet firethorn — a Eurasian evergreen, thorny shrub, Pyracantha coccinea, of the rose family, having white, hairy flower clusters and bright red berries.
- 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.
- scientific theory — a coherent group of propositions formulated to explain a group of facts or phenomena in the natural world and repeatedly confirmed through experiment or observation: the scientific theory of evolution.
- self-appreciation — gratitude; thankful recognition: They showed their appreciation by giving him a gold watch.
- self-commendation — the act of commending; recommendation; praise: commendation for a job well done.
- self-condemnation — the act of condemning.
- self-conditioning — Also called operant conditioning, instrumental conditioning. a process of changing behavior by rewarding or punishing a subject each time an action is performed until the subject associates the action with pleasure or distress.
- self-confirmation — the act of confirming.
- self-consecration — the act of setting oneself to a task or vocation without ordination by others or by a religious body.
- self-conservation — the act of conserving; prevention of injury, decay, waste, or loss; preservation: conservation of wildlife; conservation of human rights.
- self-constituting — to compose; form: mortar constituted of lime and sand.
- self-dissociation — an act or instance of dissociating.
- self-emancipation — the act of emancipating.
- self-incompatible — not capable of self-pollination.
- self-introduction — the act of introducing or the state of being introduced.
- self-purification — a natural process of purifying, as the ability of a body of water to rid itself of pollutants.
- self-recollection — the act or power of recollecting, or recalling to mind; remembrance.
- self-renunciation — renunciation of one's own will, interests, etc.
- self-reproduction — the act or process of reproducing.
- self-satisfaction — a usually smug satisfaction with oneself, one's achievements, etc.
- sense of occasion — If there is a sense of occasion when a planned event takes place, people feel that something special and important is happening.
- sign of the cross — a movement of the hand to indicate a cross, as from forehead to breast and left shoulder to right or, in the Eastern Orthodox Church, from right shoulder to left.
- significant other — Sociology. a person, as a parent or peer, who has great influence on one's behavior and self-esteem.
- silicon rectifier — a rectifier consisting of a semiconductor diode using crystalline silicon
- softvelocity inc. — (company) The distributors of the Clarion family of application development systems.
- spaghettification — the theoretical stretching of an object as it encounters extreme differences in gravitational forces, especially those associated with a black hole.
- spoonbill catfish — flathead catfish.
- staff association — an association of employees that performs some of the functions of a trade union, such as representing its members in discussions with the management, and may also have other social and professional purposes
- standard function — a subprogram provided by a translator that carries out a task, for example the computation of a mathematical function, such as sine, square root, etc
- stay of execution — If you are given a stay of execution, you are legally allowed to delay obeying an order of a court of law.
- sufficient reason — the principle that nothing happens by pure chance, but that an explanation must always be available
- sulfonyl chloride — a colorless liquid, SO 2 Cl 2 , having a very pungent odor and corrosive to the skin and mucous membranes: used as a chlorinating or sulfonating agent.
- take no notice of — pay no attention to, disregard
- teaching software — computer software for use in providing online education
- technical offence — an action which is prohibited by law, but for which no blame can be attached to the person who commits it