English

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Etymology

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From tri- +‎ harmonic.

Adjective

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triharmonic (not comparable)

  1. (mathematics) Describing a class of sixth-order partial differential equations which arises in areas of continuum mechanics
    • 2016, José Arrieta, Francesco Ferraresso, Pier Domenico Lamberti, “Boundary homogenization for a triharmonic intermediate problem”, in arXiv[1]:
      We consider the triharmonic operator subject to homogeneous boundary conditions of intermediate type on a bounded domain of the N-dimensional Euclidean space.
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