triantán

See also: triantan

Irish

triantán

Etymology

Pronunciation

(Munster) IPA^(key): [tʲɾʲiːən̪ˠˈt̪ˠɑːn̪ˠ]
(Connacht) IPA^(key): [ˈtʲɾʲiːən̪ˠt̪ˠɑːn̪ˠ]
triantán (file)
(Ulster) IPA^(key): [ˈtʲɾʲiːən̪ˠˈt̪ˠæn̪ˠ]

Noun

triantán m (genitive singular triantáin, nominative plural triantáin)

(geometry, music, cue sports) triangle
(electricity) delta
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

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

Mutation

Irish mutation
Radical	Lenition	Eclipsis
triantán	thriantán	dtriantán
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.

Further reading

"triantán" in Foclóir Gaeilge-Béarla, An Gúm, 1977, by Niall Ó Dónaill.
“triangle” in New English-Irish Dictionary by Foras na Gaeilge.

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