extrusive
adjective
ex·tru·sive
ik-ˈstrü-siv 
-ziv
: relating to or formed by geologic extrusion from the earth in a molten state or as volcanic ash
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“Extrusive.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/extrusive. Accessed 15 Jul. 2025.
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extrusive
adjective
ex·tru·sive
ik-ˈstrü-siv
-ziv
: relating to or formed by geological extrusion from the earth in a melted state or as volcanic ash
extrusive rock
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