Virescent or Viridescent: greenish or becoming green.
Viridis: green, like verdigris [French blue + chrome yellow + white].
Viscera: the internal organs of the body.
Visceral: relating or attached to the viscera.
Viscid: sticky: covered with a shiny, resinous or greasy matter.
Viscous: thick, sticky or semi-fluid.
Vis formatrix: the creative or formative force.
Vitelligenous: producing the vitellus or yolk: said of certain cells in the ovaries, believed to have that function.
Vitelline -us: yellow, with a slight tinge of red, like yolk of an egg.
Vitelline membrane: the delicate tissue surrounding the yolk of an egg.