(bullfighting) A mortal thrust to the bull. The bullfighter runs towards the stationary bull, facing it head-on, jumps on top of it and thrusts the estocada into the bull's back.

plural of volapié

A column of igneous rock formed by congelation of lava in the conduit of a volcano and later exposed by the removal of surrounding rocks.

A wind associated with a volcanic eruption, caused by the eruption or its convection currents over hot lava.

A diagram used to describe corresponding changes in volume and pressure in a system, commonly used in thermodynamics and physiology.

A natural glass produced by the cooling of molten lava, or a liquid fraction of it, too rapidly to permit crystallization.

plural of volcanic glass

plural of pressure volume diagram

The unit of apparent power in an electrical circuit, equal to the product of root-mean-square (RMS) voltage and RMS current. Symbol VA.

plural of volt-ampere