17-letter words containing n, o, t, u, r, i
- reduce to silence — If someone or something reduces you to silence, they make you feel so upset or confused that you cannot speak.
- 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
- reported question — A reported question is a question which is reported using a clause beginning with a word such as 'why' or 'whether', as in 'I asked her why she'd done it'.
- rescue operations — operations or organized procedures to bring people or a person out of danger, attack, harm, etc
- 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.
- reticulate python — a python, Python reticulatus, of southeastern Asia and the East Indies, sometimes growing to a length of 32 feet (10 meters): usually considered to be the largest snake in the world.
- return of capital — A return of capital is a situation in which you receive back money that was previously invested.
- return on capital — A return on capital is any earnings that you receive from the capital that you have invested.
- returning officer — a public official appointed to conduct and preside at an election.
- revascularization — the restoration of the blood circulation of an organ or area, achieved by unblocking obstructed or disrupted blood vessels or by surgically implanting replacements.
- revolutionary war — American Revolution.
- rhodope mountains — a mountain range in SE Europe, in the Balkan Peninsula extending along the border between Bulgaria and Greece. Highest peak: Golyam Perelik (Bulgaria), 2191 m (7188 ft)
- ribonucleoprotein — a substance composed of RNA in close association with protein; a nucleoprotein containing RNA. Abbreviation: RNP.
- ring in (or out) — to punch in (or out)
- ringer's solution — an aqueous solution of the chlorides of sodium, potassium, and calcium in the same concentrations as normal body fluids, used chiefly in the laboratory for sustaining tissue.
- road construction — the building of roads
- rocket propulsion — propulsion of an object by thrust developed by a rocket.
- roll with a punch — to move in the same direction as a punch thrown at one so as to lessen its force
- round-trip ticket — a ticket entitling a passenger to travel to his or her destination and back again
- royal institution — a British society founded in 1799 for the dissemination of scientific knowledge
- rubber plantation — an estate in a tropical country where rubber trees are grown on a large scale
- safety precaution — a precaution that is taken in order to ensure that something is safe and not dangerous
- saint bonaventure — Saint ("the Seraphic Doctor") 1221–74, Italian scholastic theologian.
- samurai tradition — the body of customs, thought, practices, etc belonging to the samurai warrior caste of Japan
- saturation diving — a method of prolonged diving, using an underwater habitat to allow divers to remain in the high-pressure environment of the ocean depths long enough for their body tissues to become saturated with the inert components of the pressurized gas mixture that they breathe: when this condition is reached, the amount of time required for decompression remains the same, whether the dive lasts a day, a week, or a month.
- secondary quality — one of the qualities attributed by the mind to an object perceived, such as color, temperature, or taste.
- 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-renunciation — renunciation of one's own will, interests, etc.
- self-reproduction — the act or process of reproducing.
- selkirk mountains — a mountain range in SW Canada, in SE British Columbia. Highest peak: Mount Sir Sandford, 3533 m (11 590 ft)
- sensitivity group — a group of persons participating in sensitivity training.
- sexual generation — the gametophyte generation in the alternation of generations in plants that produces a zygote from male and female gametes.
- sheltered housing — accommodation designed esp for the elderly or infirm consisting of a group of individual premises, often with some shared facilities and a caretaker
- shirt-tail cousin — a distant cousin
- show in (or out) — to usher into (or out of) a given place
- sign in (or out) — to sign a register on arrival (or departure)
- silent revolution — a social or political revolution that takes place with little warning and without great fuss or unrest
- situational irony — irony involving a situation in which actions have an effect that is opposite from what was intended, so that the outcome is contrary to what was expected.
- sixty-fourth note — a note having one sixty-fourth of the time value of a whole note; hemidemisemiquaver.
- skin of our teeth — a play (1942) by Thornton Wilder.
- smoothing circuit — a circuit used to remove ripple from the output of a direct current power supply
- socratic elenchus — the drawing out of the consequences of a position in order to show them to be contrary to some accepted position
- sodium propionate — a transparent, crystalline, water-soluble powder, C 3 H 5 NaO 2 , used in foodstuffs to prevent mold growth, and in medicine as a fungicide.
- south farmingdale — a town on central Long Island, in SE New York.
- south frigid zone — the part of the earth's surface between the Antarctic Circle and the South Pole.
- south lanarkshire — a council area of S Scotland, comprising the S part of the historical county of Lanarkshire: included within Strathclyde Region from 1975 to 1996: has uplands in the S and part of the Glasgow conurbation in the N: mainly agricultural. Administrative centre: Hamilton. Pop: 303 010 (2003 est). Area: 1771 sq km (684 sq miles)
- southern rhodesia — a former name (until 1964) of Zimbabwe (def 1).