| 单词 |
petrographer |
| 释义 |
petrographer|pɪˈtrɒgrəfə(r)| [f. as petrography + -er.] One versed in petrography; one who scientifically describes or studies rocks.
1881Judd Volcanoes ix. 265 Some petrographers..have maintained the principle [etc.]. 1882Geikie in Nature XXVII. 26/1 What is known to petrographers by the name of ‘fluxion-structure’. |

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