Uva Ursi
Common bearberry; a procumbent (trailing along the ground but not
rooting) evergreen shrub 10-30 cm high with red berries.

Valerianate (Valerianic)
One of three metameric acids; the typical one (called also inactive
valeric acid), C4H9CO2H, is from valerian root and other sources; it is
a corrosive, oily liquid, with a strong acid taste, and the odor of old
cheese.

valvular
Resembling or functioning as a valve. Relating to a valve, especially of
the heart.

varioloid
Mild form of smallpox occurring in people previously vaccinated or who
previously had the disease.

vegetable marrow
Squash plants with elongated fruit and smooth dark green skin and
whitish flesh.

veratrum
Poisonous alkaloid from the root hellebore (Veratrum) and from sabadilla
seeds. Used externally to treat neuralgia and rheumatism.

verdigris
Blue or green powder, basic cupric acetate used as a paint pigment and
fungicide. A green patina of copper sulfate or copper chloride on
copper, brass, and bronze exposed to air or seawater.

vermifuge
Medicine that expels intestinal worms.

vervain (verbena)
New World plants of the genus Verbena, especially those with showy
spikes of variously colored flowers.

Vichy water
Sparkling mineral water from springs at Vichy, France or water similar
to it.