black lines
Zebra crossing marks
Black lines are dark linear marks, whether drawn, printed, or occurring naturally.
The phrase is purely descriptive rather than idiomatic—black lines on a page, black lines in wood grain, black lines on a road.
In medical contexts, black lines under fingernails may indicate injury or certain conditions.
The architect sketched the building in bold black lines.
- stripesParallel linear markings
- inkWriting fluid
- sketchHasty informal drawing
- drawingMarks forming a picture
- ruledExercised sovereign authority
ruled paper · graphite · pen · zebra · prison bars · barcode · contour · hatching · grid · outline · shadow · charcoal · crosshatch · etching · veins · cracks · streaks · tire tracks
- barcodesbarcode, barcode scanner, barcode reader, UPC, QR code
- De StijlPiet Mondrian, Mondrian, primary colors, Utrecht, rectangles
- fire sciencefire behavior, fire spread, ignition, combustion, flames