dihedral angle


: a figure formed by two intersecting planes

Illustration of dihedral angle

Illustration of dihedral angle
  • dihedral angle D

Word History


di- + -hedral

First Known Use

1826, in the meaning defined above

Time Traveler
The first known use of dihedral angle was in 1826

Dictionary Entries Near dihedral angle

Cite this Entry

“Dihedral angle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dihedral%20angle. Accessed 13 Apr. 2024.

Kids Definition

dihedral angle

di·​he·​dral angle
: the angle between two intersecting planes
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!