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单词 cation
释义
cat·i·on (kătīən)
n.
An ion or group of ions having a positive charge and characteristically moving toward the negative electrode in electrolysis.

[Greek kation, something going down, from neuter present participle of katienai, to go down : kat-, kata-, cata- + ienai, to go; see ei- in the Appendix of Indo-European roots.]

cati·onic (kătī-ŏnĭk) adj.
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更新时间:2025/3/22 10:56:14