Denshi Jisho — Online Japanese dictionary

ひかり light
Common word, Noun 
こうき brightness; splendour; splendor
Common word, Noun 
ひかる to shine; to glitter; to be bright
Common word, Godan verb with ru ending, Intransitive verb 
こうか conversion to fiber optics
Noun, Computer terminology 
こうき optical instrument; optical equipment
Noun, Abbreviation 
こうし photon
Noun, No-adjective 
こうど intensity of light
Noun 
こうは light waves
Noun 
こうえい honour; honor; glory; privilege
Common word, Na-adjective, Noun 
こうがく optics
Common word, Noun, No-adjective 
こうけい scene; spectacle; sight; view
Common word, Noun 
こうさい brilliance; splendour; splendor
Common word, Noun 
こうせん beam; light ray
Common word, Noun 
こうたく brilliance; polish; lustre; luster; glossy finish (of photographs)
Common word, Noun 
こうねん light year
Common word, Noun 
こうあつ light pressure; photon pressure; radiation pressure
Noun, Physics term 
こういん time; Father Time
Noun 
こうえん light and flame
Noun 
こうえん light and flame
Noun 
こうかく optic or photic sense
Noun 
こうかん corona
Noun 
こうかん corona
Noun 
こうげん light source
Noun 
こうじく optical axis; focal aim; axis of a lens
Noun 
こうそく 1: luminous flux;
2: pencil (of light)
Noun 
こうそく speed of light
Noun 

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