pen·tad 
(pĕntăd′)
(pĕntăd′)n.
A group of five.
[Greek pentas, pentad-, group of five, from pente, five; see penkwe in the Appendix of Indo-European roots.]
| 单词 | pentad |
| 释义 | pen·tad (pĕntăd′)n. A group of five. [Greek pentas, pentad-, group of five, from pente, five; see penkwe in the Appendix of Indo-European roots.] |
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