ちょっと一杯[chottoippai] let's have a quick drink
ばつ一[batsuichi] being once divorced
一向[hitaburu] nothing but
サラダ一皿[saradahitosara] plate of salad

安全第一[anzendaiichi] safety first
一か八か[ichikabachika] sink or swim
一っ走り[hitoppashiri] spin (as in 'take a car for a spin')
一つ一つ[hitotsuhitotsu] one-by-one

悪相[akusou] evil countenance
位相[isou] phase (in science)
位相幾何学[isoukikagaku] topology
位相空間[isoukuukan] phase space (physics)
為替相場[kawasesouba] exchange rates

遺産相続[isansouzoku] inheritance
一子相伝[isshisouden] transmission of the secrets of an art, craft, trade or learning from father to only one child
印相[inzou] mudra
運輸相[unyushou] Transport Minister
卸相場[oroshisouba] wholesale price

一脈[ichimyaku] (a) vein
冠動脈[kandoumyaku] coronary artery
金脈[kinmyaku] (questionable) financial connections
頸静脈[keijoumyaku] jugular vein
けい動脈[keidoumyaku] carotid artery

鉱脈[koumyaku] vein (of ore)
山脈[sanmyaku] mountain range
支脈[shimyaku] spur
主脈[shumyaku] main mountain range
人脈[jinmyaku] personal connections

ぶっ通し[buttooshi] continuous
イタルタス通信[itarutasutsuushin] ITAR-TASS News Agency
インタファクス通信[intafakusutsuushin] Interfax news agency
シリアル通信[shiriarutsuushin] serial communication
タス通信[tasutsuushin] TASS News Agency

データ通信[deetatsuushin] data communication
パソコン通信[pasokontsuushin] personal computer communication
パラレル通信[pararerutsuushin] parallel communication
ビジネススクール入学共通試験[bijinesusukuurunyuugakukyoutsuushiken] business school entrance test
ロイター通信[roitaatsuushin] Reuters (news agency)