Meanings
nounprotractor (plural protractors)
plural protractors
- One who, or that which, protracts, or causes protraction.
- A circular or semicircular tool for drawing or measuring angles.
plastic protractor
3 more examples
measure with a protractor
Use a protractor to measure the angle accurately.
The student forgot to bring her protractor to geometry class.
Synonyms: semicircle
- medicineAn instrument formerly used in extracting foreign or offensive matter from a wound.
- An adjustable pattern used by tailors.
Synonyms & antonyms
nounA circular or semicircular tool for drawing or measuring angles.
Similar
Broader
goniometerangle measurer
Origin
- Proto-Indo-European*per-der.?
- Proto-Indo-European*pér
- Proto-Indo-European*pró
- Proto-Indo-European*pro-
- Proto-Italic*pro-
- Latinprō-
- Proto-Indo-European*dʰregʰ-der.?
- Latintrahō
- Latinprōtrahō
- Latinprōtractus
- Englishprotract
- Englishprotractor
Translations
Arabic مِنْقَلَة
- مِنْقَلَة (minqala)a circular or semicircular tool for measuring angles
Bulgarian транспортир
- транспортир (transportir)a circular or semicircular tool for measuring angles
Catalan transportador, semicercle
- transportadora circular or semicircular tool for measuring angles
- semicerclea circular or semicircular tool for measuring angles
Chinese Mandarin 量角器
- 量角器 (liángjiǎoqì)a circular or semicircular tool for measuring angles
Czech úhloměr
- úhloměra circular or semicircular tool for measuring angles
Danish vinkelmåler
- vinkelmålera circular or semicircular tool for measuring angles
Dutch gradenboog
- gradenbooga circular or semicircular tool for measuring angles
Esperanto angulmezurilo
- angulmezuriloa circular or semicircular tool for measuring angles
Estonian mall
- malla circular or semicircular tool for measuring angles
Finnish astelevy
- astelevya circular or semicircular tool for measuring angles
French rapporteur
- rapporteura circular or semicircular tool for measuring angles
German Winkelmesser, Winkelmaß
- Winkelmessera circular or semicircular tool for measuring angles
- Winkelmaßa circular or semicircular tool for measuring angles
Greek μοιρογνωμόνιο, γωνιόμετρο
- μοιρογνωμόνιο (moirognomónio)a circular or semicircular tool for measuring angles
- γωνιόμετρο (goniómetro)a circular or semicircular tool for measuring angles
Hebrew מד־זווית
- מד־זוויתa circular or semicircular tool for measuring angles
Hungarian szögmérő
- szögmérőa circular or semicircular tool for measuring angles
Icelandic gráðubogi, mælibogi
- gráðubogia circular or semicircular tool for measuring angles
- mælibogia circular or semicircular tool for measuring angles
- hornmála circular or semicircular tool for measuring angles
Indonesian busur derajat
- busur derajata circular or semicircular tool for measuring angles
Irish uillinntomhais
- uillinntomhaisa circular or semicircular tool for measuring angles
Italian goniometro, protrattore
- goniometroa circular or semicircular tool for measuring angles
- protrattorea circular or semicircular tool for measuring angles
Japanese 分度器
- 分度器 (bundoki)a circular or semicircular tool for measuring angles
Korean 각도기, 분도기
- 각도기 (gakdogi)a circular or semicircular tool for measuring angles
- 분도기 (bundogi)a circular or semicircular tool for measuring angles
Latvian transportieris
- transportierisa circular or semicircular tool for measuring angles
Lithuanian matlankis
- matlankisa circular or semicircular tool for measuring angles
Malay jangka sudut, protraktor
- jangka suduta circular or semicircular tool for measuring angles
- protraktora circular or semicircular tool for measuring angles
Māori ine-koki
- ine-kokia circular or semicircular tool for measuring angles
Norwegian vinkelmåler
- vinkelmålera circular or semicircular tool for measuring angles
Persian نقاله
- نقالهa circular or semicircular tool for measuring angles
Polish kątomierz
- kątomierza circular or semicircular tool for measuring angles
Portuguese transferidor
- transferidora circular or semicircular tool for measuring angles
Romanian raportor
- raportora circular or semicircular tool for measuring angles
Russian транспорти́р, угломе́р
- транспорти́р (transportír)a circular or semicircular tool for measuring angles
- угломе́р (uglomér)a circular or semicircular tool for measuring angles
Scottish Gaelic pròtractair
- pròtractaira circular or semicircular tool for measuring angles
Slovak uhlomer
- uhlomera circular or semicircular tool for measuring angles
Spanish transportador
- transportadora circular or semicircular tool for measuring angles
Swahili kipimapembe
- kipimapembea circular or semicircular tool for measuring angles
Swedish gradskiva
- gradskivaa circular or semicircular tool for measuring angles
Tagalog paniha, protraktor
- panihaa circular or semicircular tool for measuring angles
- protraktora circular or semicircular tool for measuring angles
Tamil கோணமானி
- கோணமானி (kōṇamāṉi)a circular or semicircular tool for measuring angles
Thai โพรแทรกเตอร์, ครึ่งวงกลม
- โพรแทรกเตอร์a circular or semicircular tool for measuring angles
- ครึ่งวงกลม (krʉ̂ng-wong-glom)a circular or semicircular tool for measuring angles
Turkish açıölçer, iletki
- açıölçera circular or semicircular tool for measuring angles
- iletkia circular or semicircular tool for measuring angles
Ukrainian кутомір
- кутомір (kutomir)a circular or semicircular tool for measuring angles
Vietnamese thước đo góc
- thước đo góca circular or semicircular tool for measuring angles
Welsh onglydd
- onglydda circular or semicircular tool for measuring angles
Rhymes & wordplay
Rhymes with protractor
factoractortractorreactorextractorrefractorattractorcompactorretractorimpactorinteractoracterabstractormalefactorenactorabstractercompactercounteractercounteractorenacterexactorjudicial factoroveractoroverreactor
All rhymes →Cite this entry
APA
protractor. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/protractor
MLA
“protractor.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/protractor. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “protractor,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/protractor.
Source: protractor on Wiktionary, CC BY-SA 4.0.