斜线

diagonal line / slanting line / slash (punct.) / forward slash (computing)

inclined / slanting / oblique / tilting

variant of 線|线[xian4]

thread / string / wire / line / CL:條|条[tiao2],股[gu3],根[gen1] / (after a number) tier (unofficial ranking of a Chinese city)

backslash (computing) / reversed diagonal

slash (punct.) / forward slash (computing) / virgule / slanting line / oblique line