打ち撒ける[buchimakeru] to throw out (everything)
打つかる[butsukaru] to strike against
打っ付ける[uchitsukeru] to knock
安打[anda] safe hit (baseball)
１打[ichida] stroke

一打ち[hitouchi] stroke
一網打尽[ichimoudajin] (a) big haul
殴打[ouda] hit
火打石[suiseki] flint

アルファ線[arufasen] alpha rays
エックス線[ekkususen] X-ray
サイン曲線[sainkyokusen] sinusoid
スピード線[supiidosen] speed lines
緯線[isen] parallel

一次線輪[ichijisenrin] primary coil
一線[issen] line
一直線[icchokusen] straight line
一番線[ichibansen] track no. 1
一塁線[ichiruisen] first-base line