Any of various pores, cavities, or (typically small, air-filled) chambers in the structure of tissues, natural mineral substances, or (now often)…
| 单词 | θ6490 |
| 释义 | the world > the earth > minerals > mineral structure or appearance > [noun] > cavity (4) cell1665 Any of various pores, cavities, or (typically small, air-filled) chambers in the structure of tissues, natural mineral substances, or (now often)… negative crystal1831 (a) Optics a crystal in which the index of refraction is greater for the ordinary than the extraordinary ray; (b) Geology a cavity having the… glass-cavity1857 a cavity in a mineral filled with a glassy substance. Subcategories:— pleromorph (1) |
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