| 单词 | organum | 
| 释义 | Word Frequency organum(ˈɔːɡənəm) nounWord forms:  plural -na (-nə) or -nums 1.  a form of polyphonic music originating in the ninth century, consisting of a plainsong melody with parts added at the fourth and fifth  2.   a variant of organon   Word origin C17: via Latin from Greek; see organ | 
	
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