¹ Source: wiktionary.com
Definition of Protractors
1. protractor [n] - See also: protractor
Lexicographical Neighbors of Protractors
Literary usage of Protractors
Below you will find example usage of this term as found in modern and/or classical literature:
1. Manual of Petrographic Methods by Albert Johannsen (1918)
"protractors and Scales.—As mentioned above, the process of making the measurements
required in stereographic projection can be much simplified by the use of ..."
2. Manual of Petrographic Methods by Albert Johannsen (1918)
"protractors and Scales.—As mentioned above, the process of making the measurements
required in stereographic projection can be much simplified by the use of ..."
3. Manual of Petrographic Methods by Albert Johannsen (1914)
"protractors and Scales.—As mentioned above, the process of making the measurements
required in stereographic projection can be much simplified by the use of ..."
4. Manual of Petrographic Methods by Albert Johannsen (1914)
"protractors and Scales.—As mentioned above, the process of making the measurements
required in stereographic projection can be much simplified by the use of ..."
5. The Theory and Practice of Surveying: Designed for the Use of Surveyors and by John Butler Johnson (1900)
"protractors. 154. A Protractor is a graduated circle or arc, with its centre fixed,
... Semicircular protractors, such as shown in Fig. ..."
6. The Theory and Practice of Surveying: Designed for the Use of Surveyors and by John Butler Johnson (1904)
"protractors. 154. A Protractor is a graduated circle or arc, with its centre fixed,
... Semicircular protractors, such as shown in Fig. ..."
7. The Theory and Practice of Surveying: Designed for the Use of Surveyors and by John Butler Johnson (1886)
"protractors. 154. A Protractor is a graduated circle or arc, with its centre fixed,
... Semicircular protractors, such as shown in Fig. ..."
8. Graphics: Or, The Art of Calculation by Drawing Lines, Applied Especially to by Robert Henry Smith (1889)
"In doing so we must frequently plot off angles. The instruments called ' protractors'
are nearly all of them very rough devices at the best, ..."
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