solenoid

n coil of wire that becomes magnetic when an electrical current is passed through it 螺线管: [attrib 作定语] a solenoid switch 电磁开关.

solar, solar cell device, solar plexus, solar system, solarium, sold, solder, soldering-iron, soldier, soldierly (also soldier-like), soldiery, sole, solecism, solely, solemn, solemnity, solemnization, solemnisation, solemnize, solemnise, solemnly, solemnness, Solent, solicit, solicitation, solicitor, Solicitor-General, solicitous, solicitously, solicitude, solid, solid-state, solidarity, solidification, solidify, solidity, solidly, soliloquize, soliloquise, soliloquy, solipsism, solitaire, solitarily,