triantán

See also: triantan

Irish

triantán

Etymology

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

Pronunciation

• (Munster) IPA^(key): /tʲɾʲiən̪ˠˈt̪ˠɑːn̪ˠ/
• (Connacht) IPA^(key): /ˈtʲɾʲiən̪ˠt̪ˠɑːnˠ/
• (Ulster) IPA^(key): /ˈtʲɾʲiən̪ˠˈt̪ˠanˠ/

Noun

triantán m (genitive singular triantáin, nominative plural triantáin)

1. (geometry, music, cue sports) triangle
2. (electricity) delta
3. triangular section, wedge (of cake)

Declension

Declension of triantán (first declension)

bare forms case singular plural nominative triantán triantáin vocative a thriantáin a thriantána genitive triantáin triantán dative triantán triantáin forms with the definite article case singular plural nominative an triantán na triantáin genitive an triantáin na dtriantán dative leis an triantán don triantán leis na triantáin

Derived terms

• triantán comhchosach (“isosceles triangle”)
• triantán dronuilleach (“right-angled triangle”)
• triantán scailéanach, triantán corrshleasach (“scalene triangle”)
• triantán suthain (“love triangle”)
• triantánach (“triangular; deltoid”, adjective)
• triantánacht (“trigonometry”)
• triantánaigh (“triangulate”, transitive verb)
• triantánúil (“trigonometrical”, adjective)

Mutation

Mutated forms of triantán

radical	lenition	eclipsis
triantán	thriantán	dtriantán

Note: Certain mutated forms of some words can never occur in standard Modern Irish.
All possible mutated forms are displayed for convenience.

Further reading

• Ó Dónaill, Niall (1977) “triantán”, in Foclóir Gaeilge–Béarla, Dublin: An Gúm, →ISBN
• “triangle”, in New English-Irish Dictionary, Foras na Gaeilge, 2013–2025