How to say "lamp" in Japanese

• ランプJLPT N1approx.Common
  nounThe everyday word for a lamp as a physical device, especially the classic stand or oil lamp. This is usually the word you want when translating 'lamp' as a piece of equipment.
  このランプは強つよい光線こうせんを出だす。↗

  This lamp sends out a powerful beam.
• 灯ひJLPT N3approx.Common
  nounCovers a light or lamp as a source of illumination, often with a poetic or literary flavor, such as a lamp glowing in a window. For an ordinary household lamp, ランプ is the safer choice.
  窓まどに灯ひがともっていた。↗

  There was a light burning in the window.
• 明かりあかりJLPT N3approx.Common
  nounMeans light itself — the glow or illumination rather than the device — and appears among its senses as a lamp. When you mean 'light' in general (turning a light on, light spilling from a room), this is the natural word.
  どうか明あかりをつけて下ください。↗

  Turn on the light, please.

For the physical fixture use 「ランプ」, for a light or flame giving illumination use 灯, and for light in general (including as an uncountable glow) use 「明かり」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• ランプlamp
• 灯ひlight
• 灯とうlight
• 灯ともしlight
• 灯火ともしびlight
• 洋灯ようとうlamp
• ＬＡＭＰランプLAMP
• 燭しょくlight
• 灯あかしlight (esp. as a religious offering)
• ＬＡＭＰ法ランプほうloop-mediated isothermal amplification
• 明かりあかり(a) light