麦むぎ球きゅう

noun

wheat bulb; wheat grain light bulb

A small, grain-of-wheat-sized incandescent bulb used in models, miniature lighting, and hobby electronics. The term is technical and not widely known outside hobbyist circles.

• 鉄てつ道どう模も型けいの車しゃ両りょうに麦むぎ球きゅうを取とり付つけて、ヘッドライトを点てん灯とうさせた。

  I installed a wheat bulb in the model train car and lit the headlight.

• 麦むぎ球きゅうは小ちいさくて消しょう費ひ電でん力りょくが少すくないので、ジオラマの照しょう明めいによく使つかわれる。

  Wheat bulbs are small and consume little power, so they are often used for diorama lighting.