dipole

Từ điển Oxford Learners Wordfinder Dictionary

noun

1. a pair of equal and opposite electric charges or magnetic poles separated by a small distance (Freq. 6)
• Hypernyms:
couple
• Hyponyms:
electric dipole, electric doublet, magnetic dipole
2. an aerial half a wavelength long consisting of two rods connected to a transmission line at the center
• Syn:
dipole antenna
• Hypernyms:
antenna, aerial, transmitting aerial