Extrusive Definition
ĭk-stro͝osĭv, -zĭv
adjective
Extruding or tending to extrude.
Webster's New World
Designating or of igneous rock formed from lava that hardened on the surface of the earth, moon, etc.
Webster's New World
Jutting out; extruding.
Wiktionary
Antonyms:
noun
(geology) Rock which has been formed through volcanic extrusion.
Wiktionary
Other Word Forms of Extrusive
Noun
Singular:
extrusive
Plural:
extrusives
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