obtuse angle

noun

an angle greater than 90° but less than 180°.

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Nearby words

obturator foramen, obturator hernia, obturator nerve, obturator vein, obtuse, obtuse angle, obtuse bisectrix, obtuse triangle, obtusion, obuda, obulg.

Origin of obtuse angle

First recorded in 1560–70

Related forms

ob·tuse-an·gled, ob·tuse-an·gu·lar

[uh b-toos-ang-gyuh-ler, -tyoos] /əbˈtusˈæŋ gyə lər, -ˈtyus/, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Science definitions for obtuse angle

obtuse angle

[ ŏb-tōōs′ ]

An angle whose measure is between 90° and 180°. Compare acute angle.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Culture definitions for obtuse angle

obtuse angle

An angle that measures more than 90 degrees but less than 180 degrees. (Compare acute angle and right angle.)

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.