trinitr-
combining form 
or trinitro-
Etymology: International Scientific Vocabulary tri- + nitr- 
 : containing three nitro groups  — in names of chemical compounds
< trinitrocellulose >
or trinitro-
< trinitrocellulose >
| 词汇 | trinitr- | 
| 词根词缀 | Webster trinitr- or trinitro- < trinitrocellulose > | 
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