15-letter words containing r, e, v, o, i
- superinvolution — an act or instance of involving or entangling; involvement.
- survival course — a course that teaches people how to survive in the wild and in other dangerous environments
- the prime mover — God, esp when considered as a first cause
- thermosensitive — readily affected by heat or a change in temperature.
- to give rise to — If something gives rise to an event or situation, it causes that event or situation to happen.
- total depravity — the Calvinist doctrine that humankind's entire nature, including its reason, is corrupt or sinful as a result of the Fall and that people are therefore completely dependent on God for regeneration.
- tractive effort — the force exerted by a locomotive or other powered vehicle on its driving wheels.
- traveling block — (in a hoisting tackle) the block hooked to and moving with the load.
- ulterior motive — secret or underlying aim
- ultraconvenient — extremely convenient
- unauthoritative — having due authority; having the sanction or weight of authority: an authoritative opinion.
- uncomprehensive — of large scope; covering or involving much; inclusive: a comprehensive study of world affairs.
- uncontroversial — of, relating to, or characteristic of controversy, or prolonged public dispute, debate, or contention; polemical: a controversial book.
- uncooperatively — in an uncooperative or unhelpful manner
- undemonstrative — not given to open exhibition or expression of emotion, especially of affection.
- unforgivingness — not disposed to forgive or show mercy; unrelenting.
- uninformatively — in an uninformative manner
- universal donor — a person with blood of group O.
- universal joint — piece that couples two rotating shafts
- universal motor — a series-wound motor, of one-half horsepower or less, using alternating or direct current.
- unobtrusiveness — not obtrusive; inconspicuous, unassertive, or reticent.
- unprogressively — in an unprogressive manner
- unrevolutionary — not revolutionary, progressive, or radical
- vacation course — a course of study undertaken during a vacation, usually combined with other activities
- variable region — a configuration in the upper branches of the Y of an antibody molecule, unique in each antibody type, that binds with the determinant of a specific antigen.
- varicocelectomy — the surgical removal or ligation of varicose veins in the scrotal sac.
- vector addition — the process of finding one vector that is equivalent to the result of the successive application of two or more given vectors.
- vector analysis — the branch of calculus that deals with vectors and processes involving vectors.
- vector function — a function that assigns a vector to each point in a given set.
- vegetable ivory — ivory (def 9).
- venus hairstone — a variety of rutilated quartz, used as a gemstone.
- vermouth cassis — a mixed drink made with dry vermouth, crème de cassis, soda or mineral water, and cracked ice.
- vernier compass — a compass on a transit (vernier transit) having a vernier for adjusting magnetic bearings to read as true bearings.
- vers de societe — humorous light verse dealing with fashions and foibles of the time.
- vespertilionine — of or relating to the bats of the subfamily Vespertilioninae, common in temperate regions and including most familiar species.
- vice chancellor — a substitute, deputy, or subordinate chancellor.
- vice-chancellor — a substitute, deputy, or subordinate chancellor.
- victor emmanuel — 1869–1947, king of Italy 1900–46.
- video frequency — transmission frequency of the television picture.
- video recording — sth filmed on videotape
- videoconference — a teleconference conducted via television equipment.
- villeda morales — Ramón [rah-mawn] /rɑˈmɔn/ (Show IPA), 1909?–71, Honduran diplomat and statesman: president 1957–63.
- vine phylloxera — a homopterous insect, Phylloxera vitifolia, typically feeding on vine juices
- viper's bugloss — the blueweed.
- viral infection — disease caused by a virus
- virtual storage — a system whereby addressable memory is extended beyond main storage through the use of secondary storage managed by system software in such a way that programs can treat all of the designated storage as addressable main storage.
- virtuous circle — a beneficial cycle of events or incidents, each having a positive effect on the next.
- visible exports — goods sold to a foreign country or countries
- visible horizon — horizon (def 1).
- visible imports — products that a company or country buys from other countries