English > electric arc: 1 sense > noun 1, phenomenon| Meaning | electrical conduction through a gas in an applied electric field. |
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| Synonyms | discharge, spark, arc, electric discharge |
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| Narrower | brush discharge | Discharge between electrodes creating visible streamers of ionized particles |
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| corona discharge, corona, corposant, St. Elmo's fire, Saint Elmo's fire, Saint Elmo's light, Saint Ulmo's fire, Saint Ulmo's light, electric glow | An electrical discharge accompanied by ionization of surrounding atmosphere |
| flashover | An unintended electric discharge (as over or around an insulator) |
| Broader | electrical conduction | The passage of electricity through a conductor / conductor |
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| Spanish | arco voltaico, chispa, descarga eléctrica |
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| Catalan | arc elèctric, arc |
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