Glossary · Nouns · V
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TermTypeDefinitionClassificationsUpdated
Vas DeferensnounMWEa duct that carries spermatozoa from the epididymis to the ejaculatory ductverified
Vasa EfferentianounMWEthe several highly convoluted tubules that lead from the rete testis to the vas deferens and form the head of the epididymisverified
Vascular BundlenounMWEa unit strand of the vascular system in stems and leaves of higher plants consisting essentially of xylem and phloemverified
Vascular SpidernounMWEa dilation of superficial capillaries with a central red dot from which blood vessels radiateverified
Vascular StrandnounMWEa unit strand of the vascular system in stems and leaves of higher plants consisting essentially of xylem and phloemverified
Vascular SystemnounMWEthe vessels and tissue that carry or circulate fluids such as blood or lymph or sap through the body of an animal or plantverified
Vascular TissuenounMWEtissue that conducts water and nutrients through the plant body in higher plantsverified
Vascularisationnounthe organic process whereby body tissue becomes vascular and develops capillariesverified
Vascularizationnounthe organic process whereby body tissue becomes vascular and develops capillariesverified
Vase VinenounMWEa scandent subshrub of southeastern United States having large red-purple bell-shaped flowers with leathery recurved sepalsverified
Vase-Finenouna scandent subshrub of southeastern United States having large red-purple bell-shaped flowers with leathery recurved sepalsverified
Vasectomynouna surgical procedure that removes all or part of the vas deferens, usually as a means of sterilizationverified
Vasoconstrictivenounany agent that causes a narrowing of an opening of a blood vessel: cold or stress or nicotine or epinephrine or norepinephrine or angiotensin or vasopressin or certain drugsverified
Vasopressinnounhormone secreted by the posterior pituitary gland (trade name Pitressin) and also by nerve endings in the hypothalamusverified
Vasopressornounany agent that produces vasoconstriction and a rise in blood pressure, usually understood as increased arterial pressureverified
Vasovasostomynouna surgical procedure that attempts to restore the function of the vas deferens after a vasectomyverified
Vatnouna tax levied on the difference between a commodity's price before taxes and its cost of productionverified
Vat ColornounMWEa water-insoluble dye that is applied by reducing the dye to an alkaline form, applying the dye, then regenerating the insoluble dye by oxidation in the materialverified
Vat DyenounMWEa water-insoluble dye that is applied by reducing the dye to an alkaline form, applying the dye, then regenerating the insoluble dye by oxidation in the materialverified
Veal ParmesannounMWEsauteed veal cutlet in a breadcrumb-and-cheese coating served with tomato sauceverified
Veal ParmigiananounMWEsauteed veal cutlet in a breadcrumb-and-cheese coating served with tomato sauceverified
Vectornouna straight line segment whose length is magnitude and whose orientation in space is directionverified
Vector AlgebranounMWEthe part of algebra that deals with the theory of vectors and vector spacesverified
Vegnounany of various herbaceous plants cultivated for an edible part such as the fruit or the root of the beet or the leaf of spinach or the seeds of bean plants or the flower buds of broccoli or cauliflowerverified
Vegetablenounany of various herbaceous plants cultivated for an edible part such as the fruit or the root of the beet or the leaf of spinach or the seeds of bean plants or the flower buds of broccoli or cauliflowerverified
Vegetable MarrownounMWEany of various squash plants grown for their elongated fruit with smooth dark green skin and whitish fleshverified
Vegetable OysternounMWEa Mediterranean biennial herb with long-stemmed heads of purple ray flowers and milky sap and long edible rootverified
Vegetable SheepnounMWEcushion-forming New Zealand herb having leaves densely covered with tawny hairsverified
Vegetable WaxnounMWEa waxy substance obtained from plants, especially from the trunks of certain palmsverified
Vegetationnounan abnormal growth or excrescence, especially a warty excrescence on the valves of the heartverified
Veggienounedible seeds or roots or stems or leaves or bulbs or tubers or nonsweet fruits of any of numerous herbaceous plant, also used as an abbreviation or informal shortening of vegetableverified
Vehiclenounany inanimate object, such as a towel, money, or clothing that can transmit infectious agents from one person to anotherverified
Vehicular TrafficnounMWEthe aggregation of vehicles coming and going in a particular localityverified
Velvet BeannounMWEthe annual woody vine of Asia having long clusters of purplish flowers and densely hairy podsverified
Velvet PlantnounMWEany of various plants of the genus Verbascum having large usually woolly leaves and terminal spikes of yellow or white or purplish flowersverified