dihedrals

/daɪˈhiːdrəlz/
noun
  1. The angle formed by two planes or surfaces that meet along a line, especially in geometry or crystallography.
    • The dihedrals of a crystal determine how it reflects light.
    • In geometry class, we calculated the dihedrals of a triangular prism.
    • The engineer measured the dihedrals of the folded metal sheets to ensure a precise fit.
Synonyms
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