a large colony of ants in which it is often impossible to distinguish between individual nests (A4)
Vertebrate
an animal with a backbone (C4)
Vesicle
a hole left behind when lava cools quickly and traps gases (A1)
Viable
able to germinate (as a seed) or hatch (as an egg) (C2)
Viscosity
fluidity (A1)
Visual strip-transect search
Vog
smog-like air pollution caused by volcanic gases and particulates (R1)
Volcanic ash
volcanic ejecta that is less than .5 centimeters (.2 inch) in diameter comprised of already solid rock, crystals from solid…
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Volcanic ejecta
fragments of lava or already solidified rock that is thrown into the air (or ‘ejected’) by a volcanic explosion (A1)
Volcano
a place where magma (molten rock) and/or gas comes to the surface from within the earth’s core (A1)