What does ultrabasic mean?
Ultrabasic means (geology) ultramafic.
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Pronunciation varies by accent · adjective
(geology) ultramafic.
In the process of basification, the top layer of the crust becomes basic, while the lower becomes ultrabasic acquiring the density of the mantle or an even greater density
Use ultrabasic when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Ultrabasic means (geology) ultramafic.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
In the process of basification, the top layer of the crust becomes basic, while the lower becomes ultrabasic acquiring the density of the mantle or an even greater density
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