straightedge
- noun
- /ˈstreɪtˌɛdʒ/
- He checked the edge of the board with a straightedge to ensure it was flat.
Examples
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With a ballpoint pen and straightedge, trace over the three dashed fold lines, pressing to score them.
Academic text (2007) -
The painter of the Shanghai scroll relied completely on the tools of a ruler, square, and straightedge.
Academic text (2002) -
If you cut the pieces yourself, use a sharp utility knife, a sturdy metal straightedge, and a cutting surface that will not damage the knife.
Academic text (1995) -
This same effect is often achieved when a reader uses a straightedge to underline the row of text being read to more clearly separate it from the surrounding rows.
Academic text (2005) -
There was a time when panoramic pictures were laboriously assembled with straightedges, knives, and sticky tape.
Blog text (10) -
The term translates literally as "ruler-lined painting," meaning that the painter uses not only the brush but also such tools as ruler and compass, square and straightedge, like a mason or carpenter.
Academic text (2002) -
Once drawn by compass and straightedge, it has been colored in the simplest way possible: white for the front of the bridge, blue and green for the bottom, and blue for the right-hand side, where it lies in shade—mere swipes of plain color.
Academic text (1998) -
Use a straightedge to draw a perfectly straight line on the paper.
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For accurate measurements, lay a straightedge along the length of the material before cutting.
How Level
Surface Forms
Morphology
Etymology
Straightedge combines straight ('not bent') and edge ('side' or 'border'), so it literally means a 'straight side' you can use as a guide. That's why a straightedge is a flat bar used to draw or check straight lines.