straightedge
/streyt-ej/US // ˈstreɪtˌɛdʒ //UK // (ˈstreɪtˌɛdʒ) //
直尺,直线型,直线,直角尺
Related Words
Definitions
n.名词 noun
- 1
- : a bar or strip of wood, plastic, or metal having at least one long edge of sufficiently reliable straightness for use in drawing or testing straight lines, plane surfaces, etc.
Synonyms & Antonyms
Examples
The first requisite for this is a straightedge of iron or brass, as true as possible.
It is necessary also that the straightedge be applied frequently.
The cutter is guided along the straightedge as shown in Fig. 1.
The straightedge and the compasses are the only two drawing instruments recognized in elementary geometry.
In other words, the trisection of any angle, by the use of the straightedge and compasses alone, is impossible.
Level 3Browse all words →