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/ˈɡabɹəʊ/ · noun
(geology) Originally, a kind of serpentine; now generally a coarsely crystalline, igneous rock consisting of lamellar pyroxene and labradorite..
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.
Against the dark Ordovician gabbro, the black volcanic base, Rhynie is a streak of technicolour.
Use gabbro when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Gabbro means (geology) Originally, a kind of serpentine; now generally a coarsely crystalline, igneous rock consisting of lamellar pyroxene and labradorite..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
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.
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