filament in Bulgarian
filament in Bulgarian
жи́чка
A fine thread or wire.
ни́шка
A fine thread or wire.
жи́чка
Such a wire, as can be heated until it glows, in an incandescent light bulb or a thermionic valve.
влакно́
(textiles) A continuous object, limited in length only by its spool, and not cut to length.