Protractor: meaning, definitions and examples
๐
protractor
[ prษหtraktษr ]
tool
A protractor is a tool used in mathematics to measure angles. It typically consists of a semicircular plastic or metal disc with degree markings around the edge.
Synonyms
Examples of usage
- The student used a protractor to measure the angle of the triangle.
- Make sure to align the base of the protractor with one side of the angle for accurate measurement.
instrument
In navigation, a protractor is an instrument used to plot or measure bearings and courses on nautical charts.
Synonyms
Examples of usage
- The captain used a protractor to plot the course of the ship on the chart.
- The protractor helped the navigator determine the correct heading.
Translations
Translations of the word "protractor" in other languages:
๐ต๐น transferidor
๐ฎ๐ณ เคเฅเคฃเคฎเคพเคชเฅ
๐ฉ๐ช Transporteur
๐ฎ๐ฉ busur derajat
๐บ๐ฆ ััะฐะฝัะฟะพััะธั
๐ต๐ฑ kฤ tomierz
๐ฏ๐ต ๅๅบฆๅจ
๐ซ๐ท rapporteur
๐ช๐ธ transportador
๐น๐ท iletki
๐ฐ๐ท ๊ฐ๋๊ธฐ
๐ธ๐ฆ ู ูููุฉ
๐จ๐ฟ รบhlomฤr
๐ธ๐ฐ uholnรญk
๐จ๐ณ ้่งๅจ
๐ธ๐ฎ kotomer
๐ฎ๐ธ grรกรฐur
๐ฐ๐ฟ ััะฐะฝัะฟะพััะธั
๐ฌ๐ช แขแ แแแกแแแ แขแแ แ
๐ฆ๐ฟ transportir
๐ฒ๐ฝ transportador
Word origin
The word 'protractor' originated from the Latin word 'protrahere,' which means 'to draw forth.' The term was first used in English in the early 17th century. Protractors have been essential tools in mathematics and navigation for centuries, aiding in accurate measurement and plotting of angles and directions.
See also: detract, intractable, protract, protracted, protraction, retract, subtract, subtraction, tract, tractability, tractable, traction, tractor.