noun

Astronomy, etc. term.
  1. light-year.

Variations

Pronunciation Kanji Kana Is Common
光年 こうねん

Contained Kanji Breakdown

ray, light
ひかり コウ ひか.る (2nd, N3)
high & level, lofty, bald
コツ (Kentei 1)
one, one radical (no.1)
イチ いっ ひと- (1st, N5)
legs radical (no. 10)
ジン ニン がい (Kentei 1)
year, counter for years
とし ネン ね (1st, N5)