15-letter words containing v, e, r, i
- tractive effort — the force exerted by a locomotive or other powered vehicle on its driving wheels.
- transitive verb — a verb accompanied by a direct object and from which a passive can be formed, as deny, rectify, elect.
- transverse axis — the axis of a hyperbola that passes through the two foci.
- travel sickness — nausea caused by motion
- traveling block — (in a hoisting tackle) the block hooked to and moving with the load.
- travelling wave — a wave carrying energy away from its source
- tricuspid valve — the valve, consisting of three triangular flaps of tissue between the right auricle and ventricle of the heart, that keeps blood from flowing back into the auricle.
- 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.
- underinvestment — insufficient investment or laying out of money with the expectation of profit
- underprivileged — denied the enjoyment of the normal privileges or rights of a society because of low economic and social status.
- undeservingness — qualified for or having a claim to reward, assistance, etc., because of one's actions, qualities, or situation: the deserving poor; a deserving applicant.
- unforgivingness — not disposed to forgive or show mercy; unrelenting.
- uninformatively — in an uninformative manner
- universal chuck — a chuck, as on a lathe headstock, having three stepped jaws moving simultaneously for precise centering of a workpiece of any of a wide range of sizes.
- 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.
- university city — a city in E Missouri, near St. Louis.
- university fees — charges made by a university for the administering of a course of study or an examination
- university park — a city in N Texas.
- university wits — a name given to an Elizabethan group of university-trained playwrights and pamphleteers, among them Robert Greene, John Lyly, Thomas Nash, and George Peele.
- unobtrusiveness — not obtrusive; inconspicuous, unassertive, or reticent.
- unparticipative — to take or have a part or share, as with others; partake; share (usually followed by in): to participate in profits; to participate in a play.
- unprogressively — in an unprogressive manner
- unrevolutionary — not revolutionary, progressive, or radical
- unverifiability — the quality or state of being unverifiable
- 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.
- vacation course — a course of study undertaken during a vacation, usually combined with other activities
- vaginal dryness — abnormal dryness of the vagina, caused by lack of natural lubrication
- valerian family — the plant family Valerianaceae, characterized by herbaceous plants and shrubs having simple or compound, opposite leaves, clusters of small flowers, and dry, indehiscent fruit, and including corn salad, spikenard (Nardostachys jatamansi), and valerian.
- vanishing cream — a cosmetic similar to cold cream but less oily, applied usually to the face and neck as a base, night cream, or moisturizer.
- 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.
- variant reading — an alternative interpretation of a word in a text to the one generally accepted
- varicocelectomy — the surgical removal or ligation of varicose veins in the scrotal sac.
- 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 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).
- venture capital — funds invested or available for investment in a new or unproven business enterprise.
- venus hairstone — a variety of rutilated quartz, used as a gemstone.
- venus-s--girdle — an iridescent blue-and-green comb jelly, Cestum veneris, having a ribbon-shaped, gelatinous body.