an angle greater than 90° but less than 180°.
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- obturator foramen,
- obturator hernia,
- obturator nerve,
- obturator vein,
- obtuse bisectrix,
- obtuse triangle,
Origin of obtuse angle
First recorded in 1560–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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.
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.