| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024an•i•on (an′ī′ən),USA pronunciation n. [Physical Chem.]- Chemistrya negatively charged ion, as one attracted to the anode in electrolysis.
- Chemistryany negatively charged atom or group of atoms (opposed to cation).
- Greek, neuter of anió̄n going up (present participle of aniénai to go up), equivalent. to an- an-3 + -i- go + -ōn present participle suffix
- 1825–35;
|