| 单词 | micro-petrology | 
| 释义 | > as lemmasmicro-petrology   micro-petrology  n.  Brit. , U.S.  ΚΠ 1879    F. Rutley Study of Rocks vii. 47  				The special study of micro-petrology. 1908    Science 18 Sept. 374/2  				It presents such material of a general character..in a manner..within the comprehension of those not thoroughly trained in..micro-petrology. 1925    Amer. Hist. Rev. 30 618  				Dr. Merrill states..the development of seven great problems, or subjects,..giving a chapter to each; viz, the Fossil Foot-prints of the Connecticut Valley;..the Development of Micro-petrology [etc.]. < as lemmas | 
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