Denshi Jisho — Online Japanese dictionary

性感帯 せいかんたい erogenous zone
Common word, Noun 
生産性 せいさんせい fecundity; productivity
Common word, Noun 
精神的 せいしんてき mental; emotional
Common word, Na-adjective 
正常化 せいじょうか normalization; normalisation
Common word, Noun, Suru verb 
星条旗 せいじょうき 1: Stars and Stripes (US flag);
2: Star-Spangled Banner (US anthem)
Common word, Noun 
政治力 せいじりょく political strength
Common word, Noun 
成層圏 せいそうけん stratosphere
Common word, Noun 
生態学 せいたいがく ecology
Common word, Noun 
生態系 せいたいけい ecosystem
Common word, Noun 
製鉄所 せいてつじょ ironworks; steelworks
Common word, Noun 
青年団 せいねんだん young persons' association
Common word, Noun 
正反対 せいはんたい bipolar; polar; polarity; exactly opposite
Common word, Na-adjective, Noun 
生物学 せいぶつがく biology
Common word, Noun 
正方形 せいほうけい square
Common word, Noun 
西洋人 せいようじん Western people
Common word, Noun 
性悪説 せいあくせつ the view of human nature as fundamentally depraved
Noun 
斉一説 せいいつせつ uniformitarianism
Noun 
星雲説 せいうんせつ the nebular hypothesis
Noun 
精鋭軍 せいえいぐん elite force; elite troops
Noun 
生映像 せいえいぞう live video
Noun, Computer terminology 
正円窓 せいえんそう fenestra rotunda (of the ear)
Noun 
西欧人 せいおうじん Westerner
Noun 
静音性 せいおんせい quietness; low noise
Noun 
正会員 せいかいいん regular member
Noun 
制海権 せいかいけん control of the seas
Noun 
正解者 せいかいしゃ person who gives the right (correct) answer
Noun 

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