E-rŭp'tive, a.
a. [Sp. eruptivo, Fr. éruptif.]
Sense 1. Breaking or bursting forth.
*The sudden glance Appears far south eruptive through the cloud. Thomson.*
Sense 2. Attended with eruption or efflorescence, or producing it; as, an eruptive fever.
Sense 3. (Geol.) Produced by eruption; as, eruptive rocks, such as the igneous or volcanic.