1.
dashed line; broken line
A line composed of short dashes with gaps between them, used in diagrams, maps, technical drawings, and road markings. Contrasted with a solid line.
破線に沿って切る。
Cut along the dashed line.
地図の破線は登山道を表している。
The dashed lines on the map indicate mountain trails.
設計図では、見えない部分を破線で表示する決まりになっている。
In technical drawings, it is conventional to show hidden parts with dashed lines.
A compound of 破 (broken) and 線 (line). In technical drawing, 破線 specifically refers to lines made of short dashes, as distinct from 点線 (dotted lines made of dots).
USAGE:
Used in technical drawing, engineering, cartography, graphic design, and everyday instructions (such as "cut here" lines on packaging). In technical drawing standards (JIS), 破線 specifically indicates hidden edges or outlines.
COMMON COLLOCATIONS:
- 破線で示す — to indicate with a dashed line
- 破線に沿って — along the dashed line
- 破線で囲む — to enclose with a dashed line
- 一点鎖線 — dash-dot line; another technical line type
SIMILAR WORDS:
- 実線 — solid line; the contrasting continuous line
- 点線 — dotted line; a line made of dots rather than dashes
- 二点鎖線 — double-dot-dash line; used in technical drawings for centerlines