豆電球(まめでんきゅう)

まめでんきゅう
noun
miniature light bulb
electronicsscience
1. miniature light bulb
A small incandescent bulb commonly used in flashlights, decorations, and elementary school science experiments to learn about electric circuits.
豆電球(まめでんきゅう)が光(ひか)った。
The miniature light bulb lit up.
理科(りか)の授業(じゅぎょう)で豆電球(まめでんきゅう)を使(つか)った実験(じっけん)をした。
We did an experiment using a miniature light bulb in science class.
乾電池(かんでんち)と豆電球(まめでんきゅう)と導線(どうせん)で回路(かいろ)を作(つく)った。
I made a circuit with a dry cell battery, a miniature light bulb, and a wire.

Usage

Strongly associated with elementary school science experiments in Japan, where children learn about electric circuits by connecting batteries, wires, and 豆電球(まめでんきゅう). Also used in flashlights and small decorative lights.

Common collocations

  • 豆電球(まめでんきゅう)が光(ひか)る (the bulb lights up)
  • 豆電球(まめでんきゅう)をつなぐ (to connect a bulb)

Similar words

  • 電球(でんきゅう): light bulb — a regular-sized bulb
  • LED: LED — the modern replacement for miniature bulbs

Related Words

Related: 電球(でんきゅう) (light bulb)
general
Added 2026.3.14 11:12 · Revised 2026.9.2 13:01
16500/16671_mamedenkyuu