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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.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
electrical device inserted in a power line to protect equipment from sudden fluctuations in current
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: surge suppressor, surge protector, spike suppressor, spike arrester
Antonyms: none provided
Broader terms: suppressor, suppresser
No etymology was provided for this word.