| 单词 | psammology | 
| 释义 | psammologyn. rare.   The scientific study of sand. ΚΠ 1897    Geogr. Jrnl. 9 570  				I have devoted many years to the study of psammology. 1913    Geogr. Jrnl. 41 573  				Mr Ogilvie's paper is a very useful contribution to our knowledge of psammology. 1979    Brittonia 31 14  				Chang Yung-sheng, Sinkiang Institute of Biology, Pedology and Psammology. This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022). <  | 
	
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