和英／英和辞典 - Japanese⇔English Dictionary

1. 1. [n] {physics} cosmic-ray shower; cosmic ray air shower; air shower

Kanji in this word

• 宇
  eaves, roof, house, heaven

  On: ウ (u)

  6 strokes · Grade 6 · JLPT N2
• 宙
  mid-air, air, space, sky, memorization, interval of time

  On: チュウ (chuu)

  8 strokes · Grade 6 · JLPT N2
• 線
  line, track

  On: セン (sen)

  Kun: すじ (suji)

  15 strokes · Grade 2 · JLPT N2