View synonyms for extrusive

extrusive

[ik-stroo-siv, -ziv]

Phonetic (Standard)IPA

adjective

tending to extrude.
pertaining to extrusion.
Geology., Also noting or pertaining to a class of igneous rocks that have been forced out in a molten or plastic condition upon the surface of the earth.

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First recorded in 1810–20; extrus(ion) + -ive

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Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

What are the reasons that whenever elective and prescribed studies are mixed, an extrusive force regularly appears in the elective?

Deposits formed at shallow depths are related to extrusive rocks and to intrusives near the surface.

Thus, granite is an igneous, intrusive rock; lava is an igneous, extrusive rock.

In the Republics of France and of America the President is of an extrusive kind.

When magmas reach the surface red hot, they form extrusive rocks, such as volcanic rocks.

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