rectangulometern.

Brit.

/rɛkˌtaŋɡjᵿˈlɒmᵻtə/, U.S.

/rɛkˌtæŋɡjəˈlɑmədər/

Origin: A borrowing from Latin, combined with an English element. Etymons: Latin rectangulum , -ometer comb. form.

Etymology: < post-classical Latin rectangulum rectangle n. + -ometer comb. form. Compare rectangular adj.

rare.

An instrument used to determine whether an angle is a right angle.

ΘΚΠ

the world > relative properties > measurement > measuring instrument > [noun] > for measuring angles > right angles

squarea1300

squire1382

rectangulometer1847

1847 C. Holtzapffel Turning & Mech. Manip. II. xxviii. 880 When the work and trial-bar, (or rectangulometer), are both laid down, the one side of the bar presents a truly perpendicular face.

1968 I. Ehrlich Instant Vocab. 152 Rectangulometer, instrument for measuring right angles.

This entry has been updated (OED Third Edition, June 2009; most recently modified version published online March 2022).

单词	rectangulometer
释义	rectangulometern. Brit. /rɛkˌtaŋɡjᵿˈlɒmᵻtə/, U.S. /rɛkˌtæŋɡjəˈlɑmədər/ Origin: A borrowing from Latin, combined with an English element. Etymons: Latin rectangulum , -ometer comb. form. Etymology: < post-classical Latin rectangulum rectangle n. + -ometer comb. form. Compare rectangular adj. rare. An instrument used to determine whether an angle is a right angle. ΘΚΠ the world > relative properties > measurement > measuring instrument > [noun] > for measuring angles > right angles squarea1300 squire1382 rectangulometer1847 1847 C. Holtzapffel Turning & Mech. Manip. II. xxviii. 880 When the work and trial-bar, (or rectangulometer), are both laid down, the one side of the bar presents a truly perpendicular face. 1968 I. Ehrlich Instant Vocab. 152 Rectangulometer, instrument for measuring right angles. This entry has been updated (OED Third Edition, June 2009; most recently modified version published online March 2022). < n.1847
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