| 单词 |
vitric |
| 释义 |
vitric, a. Geol.|ˈvɪtrɪk| [f. L. vitr-um glass + -ic.] Of tuff: composed chiefly of glassy material.
1915L. V. Pirsson in Amer. Jrnl. Sci. CXC. 193 The use of ‘vitric’ and ‘lithic’ is suggested instead of the more common ‘glassy’ and ‘stony’ in order to avoid the misapprehension that the outward appearance of the material is referred to. 1976Nature 5 Aug. 461/2 The other vertebrate remains are confined to the uppermost 30 m of aeolian tuffs beneath a widespread pale yellow vitric tuff. |

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