17-letter words containing a, t, r, i, o, v
- observation tower — lookout, observation point
- odds-on favourite — a person, team, horse, etc that is regarded as the most likely to win a competition
- omnia vincit amor — love conquers all things
- orthovanadic acid — an oxyacid of vanadium, known chiefly in the form of its vanadate salts. Formula: H3VO4
- otto von bismarck — Otto von [ot-oh von;; German aw-toh fuh n] /ˈɒt oʊ vɒn;; German ˈɔ toʊ fən/ (Show IPA), 1815–98, German statesman: first chancellor of modern German Empire 1871–90.
- over-appreciation — gratitude; thankful recognition: They showed their appreciation by giving him a gold watch.
- over-compensation — a pronounced striving to neutralize and conceal a strong but unacceptable character trait by substituting for it an opposite trait.
- over-conservative — disposed to preserve existing conditions, institutions, etc., or to restore traditional ones, and to limit change.
- overconcentration — the act of concentrating; the state of being concentrated.
- overdetermination — the concept that a single emotional symptom or event, as a dream or a slip of the tongue, may be caused by more than one factor.
- overhead lighting — lighting which throws light downwards by being situated on the ceiling or having a downward shade, etc
- palace revolution — a challenge to or overthrow of a sovereign or other leader by members of the ruling family or group.
- paleoconservative — a person advocating an older, traditional type of conservatism, especially in politics.
- paratyphoid fever — Also called paratyphoid fever. an infectious disease, similar in some of its symptoms to typhoid fever but usually milder, caused by any of several bacilli of the genus Salmonella other than S. typhi.
- particle velocity — the velocity of a point in a medium that is undergoing wave motion.
- photoreactivation — a process that repairs DNA damaged by ultraviolet light using an enzyme that requires visible light.
- polyvinyl butyral — a white, water-insoluble, polyvinyl acetal made with butyraldehyde, used chiefly as an interlayer in the manufacture of safety glass.
- positive polarity — the grammatical characteristic of a word or phrase, such as delicious or rather, that may normally only be used in a semantically or syntactically positive or affirmative context
- potential divider — a resistor or series of resistors connected to a voltage source and used to provide voltages that are fractions of that of the source.
- pre-investigation — the act or process of investigating or the condition of being investigated.
- pre-revolutionary — of, pertaining to, characterized by, or of the nature of a revolution, or a sudden, complete, or marked change: a revolutionary junta.
- prerogative court — a former ecclesiastical court in England and Ireland for the trial of certain testamentary cases.
- private education — education provided by a private individual or organization, rather than by the state or a public body
- private ownership — the fact of being owned by a private individual or organization, rather than by the state or a public body
- pro-environmental — the aggregate of surrounding things, conditions, or influences; surroundings; milieu.
- probability curve — a curve that describes the distribution of probability over the values of a random variable.
- production values — the quality of a media production (such as a film) in regards to elements such as colours, quality, style, etc
- progressive party — a political party formed in 1912 under the leadership of Theodore Roosevelt, advocating popular control of government, direct primaries, the initiative, the referendum, woman suffrage, etc.
- promotional event — occasion organized to market or advertise sth
- protective tariff — a tariff levied on imports to protect the domestic economy rather than to raise revenue
- provincialization — to make provincial in character.
- quantity surveyor — A quantity surveyor is a person who calculates the cost and amount of materials and workers needed for a job such as building a house or a road.
- radioactive decay — decay (def 8).
- radioactive waste — the radioactive by-products from the operation of a nuclear reactor or from the reprocessing of depleted nuclear fuel.
- relative majority — the excess of votes or seats won by the winner of an election over the runner-up when no candidate or party has more than 50 per cent
- 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.
- romantic movement — the late 18th- and early 19th-century movement in France, Germany, England, and America to establish Romanticism in art and literature.
- rotary cultivator — a machine for breaking up and tilling soil, consisting of a series of blades mounted on a revolving power-driven shaft
- saint bonaventure — Saint ("the Seraphic Doctor") 1221–74, Italian scholastic theologian.
- saint croix river — Also called Santa Cruz. a U.S. island in the N Lesser Antilles: the largest of the Virgin Islands. 82 sq. mi. (212 sq. km).
- 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.
- second derivative — the derivative of the derivative of a function: Acceleration is the second derivative of distance with respect to time.
- self-conservation — the act of conserving; prevention of injury, decay, waste, or loss; preservation: conservation of wildlife; conservation of human rights.
- self-preservation — preservation of oneself from harm or destruction.
- sleep deprivation — a condition in which you have not had enough sleep
- soil conservation — any of various methods to achieve the maximum utilization of the land and preserve its resources through such controls as crop rotation, prevention of soil erosion, etc.
- stellar evolution — the sequence of changes that occurs in a star as it ages
- subtractive color — cyan, yellow, or magenta, as used in the subtractive process of color photography.
- terminal velocity — Physics. the velocity at which a falling body moves through a medium, as air, when the force of resistance of the medium is equal in magnitude and opposite in direction to the force of gravity. the maximum velocity of a body falling through a viscous fluid.