こう
光
じく
軸

noun

Physics terminology.
  1. optical axis (of a lens, spherical mirror, etc.).
  2. optic axis (of a crystal).

Variations

Pronunciation Kanji Kana Is Common
こう
光
じく
軸
 光軸 こうじく

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)
axis, pivot, stem
ジク (Late Jr. High, N1)
car
シャ　くるま　くら (1st, N5)
span, range, extend over
わた.る　コウ　わたる (Kentei Pre-1, N1)
one, one radical (no.1)
イチ　いっ　ひと- (1st, N5)
daybreak, dawn, morning
タン　あき.らか　あきら (Late High School, N1)
day, sun, Japan
ひ　にっ　ニチ (1st, N5)
number one, line, rod radical (no. 2)
コン　シ　ジョ
wherefore, a reason
ユウ　ユ　ユイ (3rd, N3)