| VO | the property of changing readily from a solid or liquid to a vapor |
|---|---|
| VO | used of substances |
| VO | make volatile |
| VO | converted into a gas or vapor |
| VO | an active volcano in southwestern Mexico |
| VO | igneous rock produced by eruption and solidified on or near the earth's surface |
| VO | explosively unstable |
| VO | relating to or produced by or consisting of volcanoes |
| VO | a bowl-shaped opening at the top of a volcano |
| VO | the sudden occurrence of a violent discharge of steam and volcanic material |
| VO | a kind of natural glass produced when molten lava cools very rapidly |
| VO | extrusive igneous rock solidified near or on the surface of the Earth |