someone who vouches for another or for the correctness of a statement
vower
Noun
someone who makes a solemn promise to do something or behave in a certain way
violent storm
Noun
a weather condition with winds 64-72 knots – or 11 on the Beaufort scale – and precipitation, thunder, and lightning
vitelline circulation
Noun
the circulation of blood between the embryo and the yolk sac
voltage
Noun
the difference in electrical charge between two points in a circuit expressed in volts
voltage
Noun
the rate at which energy is drawn from a source that produces a flow of electricity in a circuit
visible light
Noun
electromagnetic radiation that can produce a visual sensation
visible radiation
Noun
electromagnetic radiation that can produce a visual sensation
volva
Noun
cuplike structure around the base of the stalk of certain fungi
virga
Noun
light wispy precipitation that evaporates before it reaches the ground, especially when the lower air is low in humidity
vapor pressure
Noun
the pressure exerted by a vapor
virtual image
Noun
a reflected optical image, as seen in a plane mirror
visible spectrum
Noun
the distribution of colors produced when light is dispersed by a prism
vital force
Noun
a hypothetical force thought to cause the evolution and development of organisms
volcanism
Noun
the phenomena associated with volcanic activity
ventral placentation
Noun
with ovules borne on the wall along the ventral suture of a simple ovary
vase-fine
Noun
a scandent subshrub of southeastern United States having large red-purple bell-shaped flowers with leathery recurved sepals
vase vine
Noun
a scandent subshrub of southeastern United States having large red-purple bell-shaped flowers with leathery recurved sepals
virgin's bower
Noun
a common climber of eastern North America that sprawls over other plants and bears numerous panicles of small creamy white flowers
verdolagas
Noun
a weedy trailing mat-forming herb with bright yellow flowers cultivated for its edible mildly acidic leaves, eaten raw or cooked, especially in Indian, Greek and Middle Eastern cuisine
velvet plant
Noun
Javanese foliage plant grown for their handsome velvety leaves with violet-purple hairs
velvet plant
Noun
any of various plants of the genus Verbascum having large usually woolly leaves and terminal spikes of yellow or white or purplish flowers
vegetable sheep
Noun
cushion-forming New Zealand herb having leaves densely covered with tawny hairs
vegetable sheep
Noun
perennial prostrate mat-forming herb with hoary woolly foliage
viper's grass
Noun
a perennial south European herb having narrow entire leaves and solitary yellow flower heads and long black edible roots shaped like carrots
vanillin
Noun
a crystalline compound found in vanilla beans and some balsam resins
velvet bent
Noun
common grass with slender stems and narrow leaves
velvet bent grass
Noun
a common grass with slender stems and narrow leaves
velvet grass
Noun
a tall European perennial grass having a velvety stem
velvetleaf
Noun
tall annual herb or subshrub of tropical Asia having velvety leaves and yellow flowers and yielding a strong fiber
velvetleaf
Noun
arborescent perennial shrub having palmately lobed furry leaves and showy red-purple flowers
velvet-leaf
Noun
tall annual herb or subshrub of tropical Asia having velvety leaves and yellow flowers and yielding a strong fiber
velvet-leaf
Noun
arborescent perennial shrub having palmately lobed furry leaves and showy red-purple flowers
velvetweed
Noun
a tall annual herb or subshrub of tropical Asia having velvety leaves and yellow flowers and yielding a strong fiber
vegetable sponge
Noun
a loofah climber that has cylindrical fruit
valley oak
Noun
tall graceful deciduous California oak having leathery leaves and slender pointed acorns
valley white oak
Noun
a tall graceful deciduous California oak having leathery leaves and slender pointed acorns
vine cactus
Noun
a desert shrub of southwestern United States and Mexico having slender naked spiny branches that after the rainy season put forth foliage and clusters of red flowers
vernal iris
Noun
a low-growing spring-flowering American iris with bright blue-lilac flowers
velvet bean
Noun
the annual woody vine of Asia having long clusters of purplish flowers and densely hairy pods
vetch
Noun
any of various climbing plants of the genus Vicia having pinnately compound leaves that terminate in tendrils and small variously colored flowers
vegetable hummingbird
Noun
a softwood tree with lax racemes of usually red or pink flowers
vegetable ivory
Noun
a nutlike seed of a South American palm
violet wood sorrel
Noun
a perennial herb of eastern North America with palmately compound leaves and usually rose-purple flowers
velvet osier
Noun
a willow with long flexible twigs used in basketry
vine maple
Noun
a small maple of northwestern North America having prostrate stems that root freely and form dense thickets
vinegar tree
Noun
common nonpoisonous shrub of eastern North America with waxy compound leaves and green paniculate flowers followed by red berries
vinegar tree
Noun
deciduous shrubby tree or eastern North America with compound leaves that turn brilliant red in fall and dense panicles of greenish yellow flowers followed by crimson acidic berries