Denshi Jisho — Online Japanese dictionary

製塩 せいえん salt making
Noun, Suru verb 
西縁 せいえん western edge; west margin
Noun 
正横 せいおう abeam
Adverb 
声音 せいおん vocal sound; tone of voice
Noun, No-adjective 
正音 せいおん correct Chinese (on) pronunciation of a character
Noun 
清音 せいおん (in phonetics) an unvoiced sound
Noun 
聖恩 せいおん imperial blessings or favor (favour)
Noun 
静穏 せいおん serene; tranquility; tranquillity
Na-adjective, Noun 
星界 せいかい star world (SF term)
Noun 
盛会 せいかい successful meeting
Noun 
政客 せいかく politician (or someone otherwise engaged in politics); statesman
Noun 
正客 せいかく guest of honor; guest of honour
Noun 
正格 せいかく correct rules
Noun 
精確 せいかく detailed and accurate; exhaustive and precise; meticulous; finely detailed
Na-adjective, Noun 
製革 せいかく tanning
Noun 
醒覚 せいかく awakening; waking up; opening one's eyes
Noun, Suru verb, Archaism 
正割 せいかつ secant (trig)
Noun 
性感 せいかん sexual feelings
Noun, No-adjective 
擠陥 せいかん tempting into crime
Noun, Suru verb 
星官 せいかん constellation (in ancient China; important constellations were then used to divide the ecliptic into 28 "mansions")
Noun, Obscure term 
星間 せいかん interstellar
No-adjective 
清鑑 せいかん excellent judgement
Noun, Honorific or respectful language 
清鑒 せいかん excellent judgement
Noun, Honorific or respectful language 
清閑 せいかん peaceful; quiet; tranquility; tranquillity
Na-adjective, Noun 
生管 せいかん production control; PC
Noun, Abbreviation 
盛観 せいかん grand spectacle
Noun 

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