protractor
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English
[edit]![](http://upload.wikimedia.org/wikipedia/commons/thumb/f/f8/Goniometer-en.svg/220px-Goniometer-en.svg.png)
![](http://upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Protractor_katomierz.jpg/220px-Protractor_katomierz.jpg)
Etymology
[edit]Pronunciation
[edit]- IPA(key): /pɹəˈtɹæktə(ɹ)/
Audio (Southern England): (file)
- Rhymes: -æktə(ɹ)
Noun
[edit]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
[edit]- (measuring tool): semicircle (for semicircular shape)
Hypernyms
[edit]Translations
[edit]a circular or semicircular tool for measuring angles
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References
[edit]- ^ Edward H[enry] Knight (1877) “Protractor”, in Knight’s American Mechanical Dictionary. […], volumes II (GAS–REA), New York, N.Y.: Hurd and Houghton […], →OCLC.
Categories:
- English terms derived from Proto-Indo-European
- English terms derived from the Proto-Indo-European root *pro-
- English terms suffixed with -or
- English 3-syllable words
- English terms with IPA pronunciation
- English terms with audio links
- Rhymes:English/æktə(ɹ)
- Rhymes:English/æktə(ɹ)/3 syllables
- English lemmas
- English nouns
- English countable nouns
- en:Surgery
- en:Anatomy
- en:Measuring instruments