A chemical or compound that changes into a gas easily. / (programming) A variable that is volatile, i.e. has its associated memory immediately updated with any change in value.

Any of a large number of species of small rodents of the subfamily Arvicolinae of the family Cricetidae which are not lemmings or muskrats.

A deal in a card game, écarté, that draws all the tricks.

(card games, intransitive) To win all the tricks by a vole.

The study of volcanoes.

Of or pertaining to a volcano or volcanoes / Produced by a volcano, or, more generally, by igneous agencies / Changed or affected by the heat of a volcano.

A volcanic rock.

A vent or fissure on the surface of a planet (usually in a mountainous form) with a magma chamber attached to the mantle of a planet or moon, periodically erupting forth lava and volcanic gases onto the surface.

to erupt; to burst forth

A conscious choice or decision. / The mental power or ability of choosing; the will. / (linguistics) A concept that distinguishes whether or not the subject or agent intended something.