arc (electric)
preferred label: قوس (الکتریکی) @fa
type: Concept
related: arc lamp

discharge lamp
preferred label: لامپ تخلیه @fa
type: Concept
narrower: arc lamp

light source
preferred label: چشمه نور @fa
type: Concept
related: arc lamp

arc lamp
related: light source
related: arc (electric)
broader: discharge lamp
preferred label: لامپ قوسی @fa
type: Concept