adj, noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Rock which has been formed through volcanic extrusion.

Adjective

1. 1
   Jutting out; extruding.
2. 2
   Of rocks: forced, while in a plastic or molten state, on to the Earth's surface to lie atop existing rocks.

Adjective

1. 1
   of rock material; forced out while molten through cracks in the earth's surface wordnet

Synonyms

All synonyms

effusiveeffusiveflatulentprotuberantvolcanicvomitory

Antonyms

All antonyms

intrusive

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.