20-letter words containing a, c, t, i, v
- preservation society — a society dedicated to the preservation of something, especially a building, environment, or animal
- price-dividend ratio — the ratio of the price of a share on a stock exchange to the dividends per share paid in the previous year, used as a measure of a company's potential as an investment
- proactive inhibition — the tendency for earlier memories to interfere with the retrieval of material learned later
- receivables turnover — A receivables turnover is a measure of cash flow that is calculated by dividing net credit sales by average accounts receivable.
- recreational vehicle — a van or utility vehicle used for recreational purposes, as camping, and often equipped with living facilities. Abbreviation: RV.
- recuperative furnace — a furnace having its incoming air heated by exhaust gases, the passage of air and gases through the furnace being always in the same direction.
- regenerative cooling — Physics. a method of cooling a gas, utilizing the rapid expansion of a compressed portion of the gas, before it becomes liquid, to cool the remainder.
- regenerative furnace — a furnace in which the incoming air is heated by regenerators.
- relative atomic mass — the ratio of the average mass per atom of the naturally occurring form of an element to one-twelfth the mass of an atom of carbon-12
- relative conjunction — a conjunction that introduces a relative clause
- restrictive covenant — a covenant with a clause that restricts the action of any party to it, especially an agreement among property owners not to sell to members of particular minority groups.
- restrictive practice — Restrictive practices are ways in which people involved in an industry, trade, or profession protect their own interests, rather than having a system which is fair to the public, employers, and other workers.
- romantic involvement — the condition of being in a romantic or sexual relationship
- service access point — (networking) (SAP) The OSI term for the component of a network address which identifies the individual application on a host which is sending or receiving a packet. Different SAPs distinguish between different services or applications on a host, e.g. electronic mail, FTP, HTTP.
- shifting cultivation — a land-use system, esp in tropical Africa, in which a tract of land is cultivated until its fertility diminishes, when it is abandoned until this is restored naturally
- slow-scan television — a technique or system in which an image is scanned electronically more slowly than is normally done in order to produce images, especially of still pictures, that can be transmitted economically, as over a telephone line, and displayed on a television screen.
- small craft advisory — a U.S. National Weather Service advisory of sustained winds, over coastal and inland waters, with speeds of 20–33 knots (23–38 mph, 10–17 m/sec). Regional NWS offices have discretion over the choice of the lower limit.
- societal development — the formation and transformation of social life, customs, institutions, etc.
- special boat service — a unit of the Royal Marines specializing in reconnaissance and sabotage
- subjective idea-list — a doctrine that the world has no existence independent of sensations or ideas.
- surface-active agent — any substance that when dissolved in water or an aqueous solution reduces its surface tension or the interfacial tension between it and another liquid.
- surveillance society — a society where surveillance technology is widely used to monitor people's everyday activities
- television broadcast — sth shown on tv
- thermal conductivity — the amount of heat per unit time per unit area that can be conducted through a plate of unit thickness of a given material, the faces of the plate differing by one unit of temperature.
- tobacco mosaic virus — a retrovirus causing mosaic disease in members of the nightshade family. Abbreviation: TMV.
- track-laying vehicle — A track-laying vehicle is a vehicle whose wheels run inside a continuous chain or track.
- travel-sickness pill — a pill which is used to relieve the symptoms of travel or motion sickness, the condition of being nauseated from riding in a moving vehicle
- university education — a course of study undertaken and completed at a university
- vertical combination — the integration within one company of individual businesses working separately in related phases of the production and sale of a product.
- vertical divestiture — the disposal of some or all the subsidiaries that make up a company's vertical combination through voluntary sale or legal compulsion.
- vertical envelopment — envelopment of an enemy accomplished by parachuting and landing airborne troops at the rear of the enemy's position.
- vertical integration — the joining together of all companies or firms involved in manufacturing a product into one company or firm
- vertical lift bridge — lift bridge.
- vesicular stomatitis — a disease of horses, swine, and cattle, similar in its symptoms to foot-and-mouth disease, and characterized by blisters on the lips, snout, and oral mucous membranes.
- vitoria de conquista — a city in Bahía state, E central Brazil.
- vocalic alliteration — the commencement of two or more stressed syllables of a word group either with the same consonant sound or sound group (consonantal alliteration) as in from stem to stern, or with a vowel sound that may differ from syllable to syllable (vocalic alliteration) as in each to all. Compare consonance (def 4a).
- vocational education — educational training that provides practical experience in a particular occupational field, as agriculture, home economics, or industry.
- western civilization — European culture, thought
- wide-angle converter — a person or thing that converts.