| 单词 | pyrognostic | 
| 释义 | pyrognosticadj. Mineralogy. Now rare.   Designating the characteristics of a mineral that are exhibited when it is heated under experimental conditions; of or relating to the investigation of such characteristics. ΚΠ 1849    J. D. Dana U.S. Exploring Exped.: Geol. iii. 207  				Pyrognostic Characters.—In an open tube gives off a small quantity of water. 1851    T. Wright  & G. F. Richardson Introd. Geol. 		(new ed.)	 v. 76  				Bromel, a French mineralogist,..being the first who classified mineral substances according to their pyrognostic qualities. 1870    Philos. Trans. 		(Royal Soc.)	 160 201  				Mr. Sorby has made the pyrognostic characters of this element a special study. 1959    L. G. Berry  & B. Mason Mineralogy v. 261  				Other useful pyrognostic (i.e., heating) tests are those using closed and open tubes. This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022). < | 
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