carbon arc lamp
Noun: A carbon arc lamp is an electric lamp that produces light by creating an arc (a sustained electrical discharge) between two carbon electrodes. The intense heat of the arc causes the carbon tips to become incandescent, emitting a very bright, white light.
This term specifically refers to the complete lighting device. It is a technical term used in historical, industrial, and theatrical contexts. - Early movie projectors often used a carbon arc lamp as their light source. - The intense illumination of the carbon arc lamp made it suitable for searchlights and large outdoor areas. - Modern lighting has largely replaced the carbon arc lamp due to its inefficiency and maintenance requirements.
- Historical Context: The carbon arc lamp was one of the first practical electric lights, preceding the incandescent bulb. Phrases like "the era of the carbon arc" refer to this period in lighting technology.
- Technical Operation: Descriptions of its function often mention "striking an arc" or "trimming the electrodes," which are specific maintenance actions for this lamp type.
- Arc lamp (n): A more general term for any lamp using an electric arc, which may or may not use carbon electrodes.
- Carbon arc (n): Can refer specifically to the arc itself or, informally, to the lamp. (e.g., "the light from the carbon arc").
- Arc light (n): Often used synonymously with arc lamp, emphasizing the light produced.
- Arc light
- (Historical) Yablochkov candle (a specific early type of carbon arc lamp)
There are no common idioms or phrasal verbs using "carbon arc lamp." It is a technical compound noun.
- has carbon electrodes