15-letter words containing l, e, v, r
- traveling block — (in a hoisting tackle) the block hooked to and moving with the load.
- traveller's joy — a ranunculaceous Old World climbing plant, Clematis vitalba, having white flowers and heads of feathery plumed fruits
- 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.
- trochlear nerve — either one of the fourth pair of cranial nerves, consisting of motor fibers that innervate the superior oblique muscle of the upper part of the eyeball.
- truth-value gap — the possibility in certain semantic systems of a statement being neither true nor false while also not being determinately of any third truth-value, as all my children are asleep uttered by a childless person
- twelve-tone row — tone row.
- ulterior motive — secret or underlying aim
- ultraconvenient — extremely convenient
- unadventurously — in an unadventurous manner
- 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
- underprivileged — denied the enjoyment of the normal privileges or rights of a society because of low economic and social status.
- 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.
- 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.
- vaginal dryness — abnormal dryness of the vagina, caused by lack of natural lubrication
- valency grammar — a system of linguistic syntax, conceived by analogy with chemical valency, according to which verbs have valencies dependent on the number of noun phrases with which they combine
- 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.
- 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.
- vascular bundle — a longitudinal arrangement of strands of xylem and phloem, and sometimes cambium, that forms the fluid-conducting channels of vascular tissue in the rhizomes, stems, and leaf veins of vascular plants, the arrangement varying with the type of plant.
- vascular system — 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.
- 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.
- vegetable ivory — ivory (def 9).
- velcro fastener — a fastener made of Velcro
- venture capital — funds invested or available for investment in a new or unproven business enterprise.
- venus's-flytrap — a carnivorous plant, Dionaea muscipula, native to bogs of North and South Carolina, having roundish leaves with two lobes that close like a trap when certain delicate hairs on them are irritated, as by a fly: the range is now reduced, though the plants are still locally abundant.
- venus-s--girdle — an iridescent blue-and-green comb jelly, Cestum veneris, having a ribbon-shaped, gelatinous body.
- vernier caliper — a caliper formed of two pieces sliding across one another, one having a graduated scale and the other a vernier.
- vertebral canal — spinal canal.
- vertical angles — one of two opposite and equal angles formed by the intersection of two lines.
- vertical circle — a great circle on the celestial sphere passing through the zenith.
- 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.
- viewing gallery — an area in a building or outside for viewing an activity, the surrounding scenery, etc
- 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.