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| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| anion (ˈænˌaɪən) | |
| —n | |
| Compare cation a negatively charged ion; an ion that is attracted to the anode during electrolysis | |
| [C19: from | |
| anionic | |
| —adj | |
anion an·i·on (ān'ī'ən)
n.
A negatively charged ion, especially one that migrates to the anode in electrolysis.
| anion (ān'ī'ən) Pronunciation Key
An ion with net negative charge, having more electrons than protons. In electrolysis, anions migrate to a positively charged anode. Compare cation. |