tetart-
combining form 
or tetarto-
Etymology: International Scientific Vocabulary, from Greek, from tetartos; akin to Greek tettares, tessares four — more at four 
 : one fourth 
< tetartohedral >
or tetarto-
< tetartohedral >
| 词汇 | tetart- | 
| 词根词缀 | Webster tetart- or tetarto- < tetartohedral > | 
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