gabbro
/ˈɡabɹəʊ/ noun
Forms gabbros
- noun (geology) Originally, a kind of serpentine; now generally a coarsely crystalline, igneous rock consisting of lamellar pyroxene and labradorite.
Etymology
Borrowed from Italian gabbro.
Webster’s 1913
- noun A name originally given by the Italians to a kind of serpentine, later to the rock called euphotide, and now generally used for a coarsely crystalline, igneous rock consisting of lamellar pyroxene (diallage) and labradorite, with sometimes chrysolite (olivine gabbro).
Etymology [It.]
Sources: Wiktionary · Webster’s 1913 — from the Wiktionary entry “gabbro”, CC BY-SA 4.0. Details