eigenmodes

/ˈaɪɡənˌmoʊdz/
noun
  1. Plural of eigenmode; multiple natural patterns of vibration or oscillation in a system.
    • The scientist calculated the eigenmodes of the molecule to understand its chemical properties.
    • The software simulates the eigenmodes of a mechanical part to test its durability.
    • Different eigenmodes of a drumhead create different sound patterns.