acenaphth-
combining form 
or acenaphtho-
Etymology: International Scientific Vocabulary, from acenaphthene 
 : acenaphthene : acenaphthylene 
< acenaphthophen-anthrene >
or acenaphtho-
< acenaphthophen-anthrene >
| 词汇 | acenaphth- | 
| 词根词缀 | Webster acenaphth- or acenaphtho- < acenaphthophen-anthrene > | 
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