Denshi Jisho — Online Japanese dictionary

一目十行 いちもくじゅうぎょう outstanding reading ability (lit: one glance, ten lines)
Noun 
一両日中 いちりょうじつじゅう within the next couple of days; in a day or two
Adverbial noun, Noun 
鎧袖一触 がいしゅういっしょく (beating someone) hands down; with a single blow
Noun 
九牛一毛 きゅうぎゅういちもう a drop in the bucket (ocean); a small fraction (of); trifle
Noun 
春宵一刻 しゅんしょういっこく a moment of time in a spring evening (is worth a thousand pieces of gold)
Expression 
職住一体 しょくじゅういったい having one's workplace at home; living and working at the same location (independent farmers, home workers, storekeepers, etc.)
Noun 
十年一昔 じゅうねんひとむかし expression suggesting that the pace of change makes ten years back seem like ancient history
Noun 
一次冷却水 いちじれいきゃくすい primary cooling water
Noun 
一対一対応 いちたいいちたいおう one-to-one correspondence
Noun, Mathematical term 
一年生草本 いちねんせいそうほん annual herb
Noun 
一番魅力的 いちばんみりょくてき most attractive
Na-adjective 
一朝一夕に いっちょういっせきに in a day; in a brief interval
Adverb 
一党独裁制 いっとうどくさいせい system of one-party rule; system of single-party rule
Noun 
一般開業医 いっぱんかいぎょうい general practitioner; GP
Noun 
一般消費税 いっぱんしょうひぜい general consumption tax
Noun 
一般相対論 いっぱんそうたいろん general theory of relativity
Noun, Abbreviation 
一般的傾向 いっぱんてきけいこう general trend
Noun 
一般適合性 いっぱんてきごうせい general conformance
Noun, Computer terminology 
一本建税率 いっぽんだてぜいりつ single-rate tariff (system)
Noun 
上一段活用 かみいちだんかつよう conjugation (inflection, declension) of ichidan verbs ending in "iru"
Noun 
九一一事件 きゅういちいちじけん September 11th attacks
Noun 
九死に一生 きゅうしにいっしょう narrow escape from death
Noun 
下一段活用 しもいちだんかつよう conjugation (inflection, declension) of ichidan verbs ending in "eru"
Noun 
十分の一税 じゅうぶんのいちぜい tithe
Noun 
単一表記法 たんいつひょうきほう pure notation
Noun, Computer terminology 
第一次産業 だいいちじさんぎょう primary industry
Noun 

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