01 a. Forming, or consisting of, a large mass; compacted; weighty; heavy; massy.
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1.
Forming, or consisting of, a large mass; compacted; weighty; heavy; massy.
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2.
In mass; not necessarily without a crystalline structure, but having no regular form; as, a mineral occurs massive.(Min.)
Phrases & compounds
Massive rock —
a compact crystalline rock not distinctly schistose, as granite; also, with some authors, an eruptive rock.