An act of a practical or technical nature, esp. one forming a step in a process.
| 单词 | θ67254 | 
| 释义 | the world > matter > chemistry > experiments > 			[noun]		 > action of making (2)		 operationc1395 An act of a practical or technical nature, esp. one forming a step in a process. experimentalism1842 Experimental research; the conducting of experiments. Cf. experimentalist, n. 1. rare.  | 
	
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