spec. Mining. A stratum or bed of stone or other substance occurring irregularly. Cf. band, n.2 12.
单词 | θ4769 |
释义 | the world > the earth > structure of the earth > structural features > sedimentary formation > [noun] > stratum > stratum by constitution > girdle-bed (2) girdle1819 spec. Mining. A stratum or bed of stone or other substance occurring irregularly. Cf. band, n.2 12. girdle-bed1880 (see quots.). |
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