| 单词 | petrography |
| 释义 | petrography —petrographer, n. —petrographic /pe'treuh graf"ik/, petrographical, adj. —petrographically, adv. /pi trog"reuh fee/, n. the branch of petrology dealing with the description and classification of rocks, esp. by microscopic examination. [1645-55; < NL petrographia. See PETRO-1, -GRAPHY] |
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