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

縦んば[yoshinba] even if
才気縦横[saikijuuou] great wisdom
車両縦隊[sharyoujuutai] convoy
縦横無尽[juuoumujin] freely
縦貫[juukan] running through

縦縞[tatejima] vertical stripes
縦書[tategaki] vertical writing
縦旋盤[tatesenban] vertical turning lathe
縦線[juusen] vertical line