protractor
protractor Lexical Profile
protractor Game Scores & Validity
• noun
A mathematical or drafting instrument, typically in the form of a transparent semi-circle marked with degrees, used for measuring or drawing angles.
"The students used a compass and a protractor to accurately construct the geometric figures in their geometry class."
A muscle that serves to extend or draw forward a part of the body.
"The veterinary surgeon noted damage to the animal's protractor muscle, severely limiting its ability to extend its limb."
• Rhymes for protractor
• Nearby Words
Word Origin & Etymology
From Late Latin 'protractor' (one who lengthens or extends), from the Latin verb 'protrahere' (to draw forth or drag out), combining 'pro-' (forward) and 'trahere' (to pull or draw). Its mathematical usage to denote a measuring instrument emerged in the late 16th century.
Usage Trend
Historical frequency of usage in published text.