1845 Darwin Voy. Nat. vi. (1873) 106It consists of a crumbling argillaceo-calcareous rock. 
argillaceo-
combining form 
Etymology: argillaceous 
 : argillaceous and 
< argillaceocalcareous >
< argillaceocalcareous >
| 词汇 | argillaceo- | 
| 词根词缀 | OED Webster 
 argillaceo- < argillaceocalcareous > | 
| 随便看 | 
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