Ultrabasic

adj, noun

adj, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    ultramafic
Adjective
  1. 1
    ultramafic not-comparable

    "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"

Synonyms

All synonyms
ultramaficultramafic

Example

More examples

"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"

Etymology

From ultra- + basic.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.