protractor
Hello, you have come here looking for the meaning of the word protractor. In DICTIOUS you will not only get to know all the dictionary meanings for the word protractor, but we will also tell you about its etymology, its characteristics and you will know how to say protractor in singular and plural. Everything you need to know about the word protractor you have here. The definition of the word protractor will help you to be more precise and correct when speaking or writing your texts. Knowing the definition ofprotractor, as well as those of other words, enriches your vocabulary and provides you with more and better linguistic resources.
A semicircular protractor. 
A circular protractor.
English
Etymology
Pronunciation
- IPA(key): /pɹəˈtɹæktə(ɹ)/
Audio (Southern England): (file)
- Rhymes: -æktə(ɹ)
Noun
protractor (plural protractors)
- One who, or that which, protracts, or causes protraction.
- A circular or semicircular tool for drawing or measuring angles.
- (surgery) An instrument formerly used in extracting foreign or offensive matter from a wound.
- (anatomy) A muscle that extends an organ or part; opposed to retractor.
- An adjustable pattern used by tailors.[1]
Synonyms
- (measuring tool): semicircle (for semicircular shape)
Hypernyms
- goniometer
- (UK) angle measurer
Translations
a circular or semicircular tool for measuring angles
|
References
- ^ Edward H Knight (1877) “Protractor”, in Knight’s American Mechanical Dictionary. , volumes II (GAS–REA), New York, N.Y.: Hurd and Houghton , →OCLC.