Protractor

B1 8+

Pronunciation: /prəˈtræktər/

Definitions of protractor

noun a tool used in geometry to measure and draw angles

Example Sentences

A1 I use a protractor to measure angles in math class.

A2 The teacher showed us how to use a protractor to draw angles.

B1 You will need a protractor to accurately measure the angles of the triangle.

B2 The carpenter used a protractor to ensure the corners of the table were perfectly aligned.

C1 The engineer relied on a high-precision protractor to make precise measurements for the project.

C2 The scientist used a specialized protractor to calculate the exact angles of the crystal structure.

Examples of protractor in a Sentence

formal The student used a protractor to measure the angles in the geometry class.

informal I borrowed your protractor to help with my math homework.

slang I can't find my protractor anywhere, it's like it grew legs and walked away.

figurative She used her intuition as a protractor to navigate through the complexities of the situation.

Grammatical Forms of protractor

plural

protractors

comparative

more protractor

superlative

most protractor

present tense

protracts

future tense

will protract

perfect tense

has protracted

continuous tense

is protracting

singular

protractor

positive degree

protractor

infinitive

to protract

gerund

protracting

participle

protracted

Origin and Evolution of protractor

First Known Use: 1601 year
Language of Origin: Latin
Story behind the word: The word 'protractor' originated from the Latin word 'protractus', which means 'drawn out'.
Evolution of the word: Originally used in geometry to refer to a tool for measuring angles, the word 'protractor' has evolved to also mean a device for plotting or marking angles on a surface.