Meanings
plural lightning arresters
- A device used on electrical and telecommunications systems to protect the insulation and conductors from the damaging effects of lightning. Typically, it has a high-voltage terminal and a ground terminal. When a surge travels along the power line to the arrester, the current from the surge is diverted through the arrester, in most cases to earth.
Synonyms: lightning discharger
Synonyms & antonyms
nounA device used on electrical and telecommunications systems to protect the insulation and conductors from the damaging effects of lightning. Typically, it has a high-voltage terminal and a ground terminal. When a surge travels along the power line to the arrester, the current from the surge is diverted through the arrester, in most cases to earth.
More synonyms by meaning
nounelectrical device inserted in a power line to protect equipment from sudden fluctuations in current
Synonym sets from Open English WordNet, CC BY 4.0.
Cite this entry
lightning arrester. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/lightning%20arrester
“lightning arrester.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/lightning%20arrester. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “lightning arrester,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/lightning%20arrester.
Source: lightning arrester on Wiktionary, CC BY-SA 4.0.