| 单词 | actinoid | 
| 释义 | Definition of actinoid in English:actinoidnoun ˈaktɪnɔɪd Chemistry 
 Origin1950s; earliest use found in Science. From actin- + -oid. Definition of actinoid in US English:actinoidnounˈaktɪnɔɪd Chemistry 
 Origin1950s; earliest use found in Science. From actin- + -oid.  | 
	
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