線

wiring diagram

actinomycete; actinomycetes; ray fungus

Railway

siding; sidetrack; turnout

asymptotic line

Physics

electron beam

meridian; longitude

perpendicular line

Baseball

first-base line

reference line; base line; baseline; datum line

stop line

dividing line; intermediate line

intermediate rays

heavy line (for emphasis); thick line; underline; border

loop line; circle line; circle route

Physics

particle beam

Finance

white candlestick (in a candlestick chart); bullish candlestick

scouting line

catgut; sheepgut

electrical light wiring

Geometry

median; midline

front line of (trenches for) deployed soldiers

four-track rail line (two in each direction); quadruple railway track

line of demarcation

Medicine

fibrosis

dosimeter