| 单词 | penetralium | 
| 释义 | Definition of penetralium in English:penetraliumnoun ˌpɛnɪˈtreɪlɪəm 
 OriginEarly 19th century; earliest use found in John Keats (1795–1821), poet. Back-formation from penetralia, on the assumption that classical Latin penetrālia, plural, corresponds to a singular form *penetrālium. Definition of penetralium in US English:penetraliumnounˌpɛnɪˈtreɪlɪəm 
 OriginEarly 19th century; earliest use found in John Keats (1795–1821), poet. Back-formation from penetralia, on the assumption that classical Latin penetrālia, plural, corresponds to a singular form * penetrālium.  | 
	
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