| 单词 | cation |
| 释义 | cation —cationic /kat'uy on"ik/, adj. —cationically, adv. /kat"uy'euhn, -on/, n. Physical Chem. 1. a positively charged ion that is attracted to the cathode in electrolysis. 2. any positively charged atom or group of atoms (opposed to anion). Also, kation. [1825-35; < Gk katión going down (neut. of katión, prp. of kateînai), equiv. to kat- CAT- + -i- go + -on neut. prp. suffix] |
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