Denshi Jisho — Online Japanese dictionary

採油 さいゆ getting oil; extraction of oil (e.g. from seeds); drilling for oil
Noun, Suru verb 
犀利 さいり sharp; keen
Na-adjective, Noun 
鎖陰 さいん gynatresia
Noun 
サイクル cycle
Common word, Noun 
サイレン siren
Common word, Noun, No-adjective 
サイオン PSION
Noun, Computer terminology 
サイカチ honey locust; Gleditsia japonica
Noun, Usually written using kana alone 
サイコロ dice; die
Noun, Usually written using kana alone 
サイゴン Saigon
Noun, No-adjective 
サイザル sisal
Noun 
サイダー 1: carbonated beverage, esp. fruit flavored;
2: cider
Noun 
サイドバ sidebar (as on a web page)
Noun 
サイバネ cybernation
Noun, Abbreviation 
サイバー cyber
Noun 
サイホン siphon
Noun 
彩り いろどり coloring; colouring; coloration; colouration; assortment; color scheme; colour scheme; makeup
Common word, Noun, Suru verb 
彩る いろどる to colour; to color; to paint; to make up
Common word, Godan verb with ru ending, Transitive verb 
最愛 さいあい beloved
Common word, Noun, Suru verb, No-adjective 
最悪 さいあく the worst
Common word, Na-adjective, Noun 
再演 さいえん 1: another showing (of a play);
2: recapitulation (biology)
Common word, Noun, Suru verb 
菜園 さいえん vegetable garden
Common word, Noun 
再会 さいかい another meeting; meeting again; reunion
Common word, Noun, Suru verb 
再開 さいかい reopening; resumption; restarting
Common word, Noun, Suru verb 
際会 さいかい meeting; facing; confronting
Common word, Noun, Suru verb 
災害 さいがい calamity; disaster; misfortune
Common word, Noun 
最近 さいきん most recent; these days; right now; recently; nowadays
Common word, No-adjective, Adverbial noun, Temporal noun 

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