eruptive

eruptive is an   Adverb

Definition:

[1] Breaking out or bursting forth. The sudden glance Appears far south eruptive through the cloud. Thomson.

[2] Attended with eruption or efflorescence, or producing it; as, an eruptive fever.

[3] Produced by eruption; as, eruptive rocks, such as the igneous or volcanic.

Synonyms: