gabbro

From Italian gabbro.

• (UK) IPA^(key): /ˈɡabɹəʊ/

gabbro (countable and uncountable, plural gabbros)

1. (petrology) Originally, a kind of serpentine; now generally a coarsely crystalline, igneous rock consisting of lamellar pyroxene and labradorite.
   • 2004, Richard Fortey, The Earth, Folio Society, published 2011, page 59:

     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.

   • 2022, Thomas Halliday, Otherlands, Penguin, published 2023, page 205:

     Against the dark Ordovician gabbro, the black volcanic base, Rhynie is a streak of technicolour.

• gabbroid
• gabbroic
• leucogabbro
• melagabbro
• microgabbro

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gabbro m (plural gabbros)

1. gabbro

• “gabbro”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.

Probably from Latin glaber (“smooth; hairless”), through an archaic meaning of "uncultivated, barren land".

• IPA^(key): /ˈɡab.bro/
• Rhymes: -abbro
• Hyphenation: gàb‧bro

gabbro m (plural gabbri)

1. (petrology) gabbro

• gabbro in Treccani.it – Vocabolario Treccani on line, Istituto dell'Enciclopedia Italiana