eruptive[ē rup′tiv, i-]
The eruptive rock of a volcano.
- erupting or tending to erupt
- of, produced by, or formed by eruption: eruptive rock
- Med. causing or characterized by a skin eruption
Geol. a rock thrown out by volcanic eruption
(comparative more eruptive, superlative most eruptive)
- An eruptive rock