Anion
/ˈænˌaɪ.ən/ noun
noun ·Uncommon ·Advanced level
Definitions
Noun
- 1 A negatively charged ion.
- 2 a negatively charged ion wordnet
Example
More examples"A cation is a positively charged ion, with more protons than electrons, while an anion is negatively charged, with more electrons than protons."
Etymology
Learned borrowing from Ancient Greek ἀνιόν (anión, “(thing) going up”), neuter present participle of ἄνειμι (áneimi, “go up”), from ἀνά (aná, “up”) + εἶμι (eîmi, “go”). Coined by English polymath William Whewell in 1834 for Michael Faraday, who introduced it later that year. By surface analysis, an- (“up, away, forward”) + ion.