Gabbro

noun

noun ·2 syllables ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Originally, a kind of serpentine; now generally a coarsely crystalline, igneous rock consisting of lamellar pyroxene and labradorite. countable, uncountable

    "It is known as gabbro and is thought to form the lower layer of the oceanic crust at about four kilometres depth and to comprise a layer up to six kilometres thick, making it one of the most abundant, if least recognisable, materials on earth."

  2. 2
    one of a family of granular intrusive rocks wordnet

Synonyms

All synonyms
euphotide

Example

More examples

"It is known as gabbro and is thought to form the lower layer of the oceanic crust at about four kilometres depth and to comprise a layer up to six kilometres thick, making it one of the most abundant, if least recognisable, materials on earth."

Etymology

From Italian gabbro.

Related phrases

igneous rock

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