Eruptive

[i'rʌptiv]

(adj.) actively spewing out lava; 'a geyser is an intermittently eruptive hot spring' .

(adj.) producing or characterized by eruptions; 'an eruptive disease' .

Typed by Evangeline--From WordNet

(a.) Breaking out or bursting forth.

(a.) Attended with eruption or efflorescence, or producing it; as, an eruptive fever.

(a.) Produced by eruption; as, eruptive rocks, such as the igneous or volcanic.

(n.) An eruptive rock.

Inputed by Emilia