光ひかり

noun

light

The general physical phenomenon of light, as opposed to darkness or sound.

• 光ひかりがないと植しょく物ぶつは育そだたない。

  Plants do not grow without light.

• 光ひかりの速はやさは音おとよりずっと速はやい。

  The speed of light is much faster than the speed of sound.

noun

illumination; ray; beam; glow

Used for visible light coming from a source or appearing as a ray, beam, gleam, or glow.

• 雲くもの間あいだから一ひと筋すじの光ひかりが差さし込こんだ。

  A single beam of light shone through the clouds.

• 遠とおくに町まちの光ひかりが見みえた。

  We could see the glow of the town in the distance.

noun

hope; happiness; bright prospect

Figurative use: something that gives emotional brightness, hope, or a reason to keep going.

• 長ながい闘とう病びょう生せい活かつの中なかで、家か族ぞくの励はげましが光ひかりになった。

  During the long illness, his family's encouragement became a source of hope.

noun

influence; power; prestige

Rare or old-fashioned as an independent sense; most recognizable in fixed or proverbial expressions where 光 suggests the power or prestige someone casts around them.

• 「親おやの光ひかりは七なな光ひかり」という古ふるいことわざで、光ひかりは親おやの権けん勢せいや影えい響きょう力りょくを指さす。

  In the old saying 親の光は七光り, 光 refers to a parent's prestige or influence.

noun

vision; eyesight

Literary or euphemistic use, especially in phrases such as 光を失う, meaning to lose one's sight.

• 彼かれは目めの病びょう気きで光ひかりを失うしなった。

  He lost his sight because of an eye disease.

noun

optical fiber; fiber-optic internet

Abbreviation of 光回線 or 光ファイバー in Internet and telecommunications contexts.

See also: 光回線

• 引ひっ越こしを機きに、ネットを光ひかりにした。

  When I moved, I switched my internet connection to fiber-optic.