mass·ive a.
1. Forming, or consisting of, a large mass; compacted; weighty; heavy; massy. “Massive armor.”
2. Min. In mass; not necessarily without a crystalline structure, but having no regular form; as, a mineral occurs massive.
Massive rock Geol., a compact crystalline rock not distinctly schistose, as granite; also, with some authors, an eruptive rock.
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