15-letter words containing r, e, v, i, l, s
- universal class — (in the theory of classes) the class that includes all other classes and is composed of all individuals composing these classes.
- 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.
- universal stage — a small theodolite mounted on the stage of a polarizing microscope and used in the petrographic analysis of rocks.
- unprogressively — in an unprogressive manner
- upsetting lever — the horizontal distance between the center of gravity, acting downward, and the center of buoyancy, acting upward, when they are so placed as to form a couple (upsetting couple) tending to capsize the boat.
- vaginal dryness — abnormal dryness of the vagina, caused by lack of natural lubrication
- vascular tissue — plant tissue consisting of ducts or vessels, that, in the higher plants, forms the system (vascular system) by which sap is conveyed through the plant.
- vector analysis — the branch of calculus that deals with vectors and processes involving vectors.
- venus-s--girdle — an iridescent blue-and-green comb jelly, Cestum veneris, having a ribbon-shaped, gelatinous body.
- vertical angles — one of two opposite and equal angles formed by the intersection of two lines.
- vespertilionine — of or relating to the bats of the subfamily Vespertilioninae, common in temperate regions and including most familiar species.
- villeda morales — Ramón [rah-mawn] /rɑˈmɔn/ (Show IPA), 1909?–71, Honduran diplomat and statesman: president 1957–63.
- viper's bugloss — the blueweed.
- 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
- visual literacy — the ability to apprehend or interpret pictures or other visual images.
- vitreous silica — silica glass
- voyeuristically — of, relating to, or characteristic of a voyeur or of voyeurism.
- vulnerabilities — capable of or susceptible to being wounded or hurt, as by a weapon: a vulnerable part of the body.
- well-advertised — to announce or praise (a product, service, etc.) in some public medium of communication in order to induce people to buy or use it: to advertise a new brand of toothpaste.
- west nile fever — a viral disease, caused by a flavivirus and spread by a mosquito (Culex pipiens), that results in encephalitis
- west nile virus — an illness caused by a chiefly mosquito-borne virus of the genus Flavivirus, characterized in a small percentage of infected persons by fever, headache, muscle weakness, and sometimes encephalitis or meningitis.
- where one lives — in one's sensitive or defenceless position
- wolverine state — Michigan (used as a nickname).