angle of repose

1
physics : the angle that the plane of contact between two bodies makes with the horizontal when the upper body is just on the point of sliding : the angle whose tangent is the coefficient of friction between the two bodies
2
or angle of rest : the angle of maximum slope at which a heap of any loose solid material (as earth) will stand without sliding compare angle of slide

Word History

First Known Use

1807, in the meaning defined at sense 1

Time Traveler
The first known use of angle of repose was in 1807

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Dictionary Entries Near angle of repose

Cite this Entry

“Angle of repose.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/angle%20of%20repose. Accessed 21 Jun. 2024.

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