tri·go·nal 
(trī-gōnəl)
(trī-gōnəl)adj.
Mineralogy
Mineralogy
Rhombohedral.
[Earlier, relating to a trigon or triplicity, relating to three angles : Latin trigōnum, triangle; see TRIGON + -AL.]
| 单词 | trigonal |
| 释义 | tri·go·nal (trī-gōnəl)adj. Mineralogy Rhombohedral. [Earlier, relating to a trigon or triplicity, relating to three angles : Latin trigōnum, triangle; see TRIGON + -AL.] |
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