light; illumination; ray; happiness; hope; influence
to shed light; to cast light
ray of hope; glimmer of hope
rise and fall; ups and downs; shame and glory; bright side and dark side; (lit.) light and shadow
optical fiber; optical fibre
to allow light to pass through; to shine light through
luminous body (e.g. of a shooting star); bright metal; sliced fish with the silver skin left on (iwashi, aji, sayori, sanma, kohada, etc.); 20-point card; bright
benefiting from the influence of a master or parent
optical cable; optical fibre
optical disk; digital optical disk
optical communications line; optical network
benefiting from the fame or influence of a parent; riding a parent's coat-tails
photocatalyst; photocatalysis
fiber-optic cable; fibre-optic cable
rapid prototyping (machine); laser etching (machine)
the light comes from the East; the light rises from the East; ex oriente lux
optical memory card; optical card
leaking through of light (e.g. through a curtain); light leakage
photolysis; photodecomposition; photodissociation
fiber distributed data interface; FDDI
phase change optical disk
photosensitive epilepsy; PSE
photodissociation; photo-dissociation
optical storage media; optical storage medium
optical disk; digital optical disk
Optical Transport Network; OTN
photonics; optical engineering
having a famous parent is the best way to fame
direct read after write optical disk
Koshihikari (variety of rice)
Ochromonas vischeri (species of golden alga)