Word.ws English Dictionary

tridiagonal

tridiagonal adjective: having nonzero elements only in the main diagonal and the diagonals directly above and below it.

Adjective

tridiagonal (not comparable)

  1. Having nonzero elements only in the main diagonal and the diagonals directly above and below it.
    • The following proposition shows a connection between negafibonacci numbers and the determinants of a family of tridiagonal matrices.2019 June 24, Juan Triana, “Negafibonacci Numbers via Matrices”, in Bulletin of TICMI, volume 23, number 1, →ISSN, archived from the original on 13 Jul 2019, Negafibonacci numbers as tridiagonal...

Origin of tridiagonal

From tri- + diagonal.

Words formed from tridiagonal

Questions about tridiagonal

What does tridiagonal mean?
Tridiagonal means having nonzero elements only in the main diagonal and the diagonals directly above and below it.
What part of speech is tridiagonal?
Tridiagonal is an adjective.

Words near tridiagonal in the dictionary

  1. tridepsides
  2. tridermic
  3. tridesmosidic
  4. trideuterium
  5. Tridevi
  6. tridiagonal
  7. tridiagonality
  8. tridiagonalization
  9. tridiagonalizations
  10. tridialectal
  11. tridialectalism

Source and license

Adapted from Wiktionary: tridiagonal (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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