protractor Definition
- 1a tool used in geometry to measure and draw angles
- 2a device for indicating the amount by which a part must be turned or adjusted
Using protractor: Examples
Take a moment to familiarize yourself with how "protractor" can be used in various situations through the following examples!
Example
The protractor is used to measure angles in degrees.
Example
He used a protractor to make sure the angle was exactly 90 degrees.
Example
The mechanic used a protractor to adjust the angle of the engine parts.
protractor Synonyms and Antonyms
Synonyms for protractor
- angle measurer
- angle finder
- angle gauge
Phrases with protractor
a protractor that uses digital technology to measure and display angles
Example
The carpenter used a digital protractor to measure the angle of the corner joint.
a protractor that can measure and set angles other than 90 degrees
Example
The engineer used a bevel protractor to measure the angle of the metal sheet.
a protractor that can measure and set angles in any plane
Example
The machinist used a universal bevel protractor to measure the angle of the gear teeth.
Origins of protractor
from Latin 'protractus', meaning 'drawn out'
Summary: protractor in Brief
A 'protractor' [prəˈtraktər] is a tool used in geometry to measure and draw angles. It can also be a device for indicating the amount by which a part must be turned or adjusted. Examples include 'The protractor is used to measure angles in degrees.' and 'The mechanic used a protractor to adjust the angle of the engine parts.' Types of protractors include 'digital protractor,' 'bevel protractor,' and 'universal bevel protractor.'
