trilinear

T1R1I1L1I1N1E1A1R1

adjective

Having, or bounded by, three lines.

Similar
trilineatetrilineated
OriginEnglish linear ← Latin līneāris ← Proto-Indo-European *h₂élisder.? →
UncommonScrabble 9
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Meanings

adjectivetrilinear (not comparable)
  1. not comparableHaving, or bounded by, three lines.

    Synonyms: trilineate, trilineated

  2. not comparablelinear algebraLinear (preserving linear combinations) in each variable.
nountrilinear (plural trilinears)

plural trilinears

  1. mathematicsA triple (x, y, z) of the algebraic distances of a point to each side of a surrounding triangle

Synonyms & antonyms

adjectiveHaving, or bounded by, three lines.

Similar
trilineatetrilineated
Also see
trilineatetrilineated

Origin

  1. Proto-Indo-European*tréyes
  2. Proto-Indo-European*tri-
  3. Proto-Italic*tri-
  4. Latintri-
  5. Englishtri-
  6. Proto-Indo-European*līnom
  7. Proto-Italic*līnom
  8. Latinlīnum
  9. Latinlīneus
  10. Latinlīnea
  11. Proto-Indo-European*h₂el-
  12. Proto-Indo-European*h₂élisder.?
  13. Latinlīneāris
  14. Englishlinear
  15. Englishtrilinear

From tri- + linear.

Full word history & related roots →

Rhymes & wordplay

Anagrams

interrail
Cite this entry
APA

trilinear. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/trilinear

MLA

“trilinear.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/trilinear. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “trilinear,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/trilinear.

Source: trilinear on Wiktionary, CC BY-SA 4.0.