noun🔗ShareRock which has been formed through volcanic extrusion."The dark, basalt extrusive on the Hawaiian islands shows evidence of rapid cooling after it flowed from the volcano. "geologyChat with AIVocabulary GamePractice Reading
adjective🔗ShareJutting out; extruding."The toddler's extrusive lower lip showed she was about to cry. "geologyappearanceChat with AIVocabulary GamePractice Reading
adjective🔗ShareOf rocks: forced, while in a plastic or molten state, on to the Earth's surface to lie atop existing rocks."The dark, basalt rock was formed from extrusive lava that cooled quickly on the Earth's surface after a volcanic eruption. "geologyChat with AIVocabulary GamePractice Reading