What context can I use each word in?
Learn when and how to use these words with these examples!
goniometer
Example
The physical therapist used a goniometer to measure the patient's knee flexion. [goniometer: noun]
Example
The goniometer showed that the object had rotated 45 degrees. [goniometer: noun]
protractor
Example
The student used a protractor to measure the angle of the triangle. [protractor: noun]
Example
The captain used a protractor to determine the ship's heading. [protractor: noun]
Good things to know
Which word is more common?
Protractor is more commonly used than goniometer in everyday language. Protractor is widely used in schools, construction sites, and navigation, while goniometer is more specialized and used mainly in medical and scientific fields.
What’s the difference in the tone of formality between goniometer and protractor?
Goniometer is a more formal term than protractor. It is typically used in technical and scientific contexts, while protractor can be used in both formal and informal settings.