spark gap

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a component of an ignition system;
consists of two shaped electrodes and the space between them
• Hypernyms:
component, constituent, element
• Part Holonyms:
ignition, ignition system
2. the gap between two high-potential terminals
• Hypernyms:
gap, crack
• Part Holonyms:
induction coil