teasdíonach

Irish

Etymology

From teas +‎ díonach.

Adjective

teasdíonach (genitive singular masculine teasdíonaigh, genitive singular feminine teasdíonaí, plural teasdíonacha, comparative teasdíonaí)

1. insulating, heatproof, heat-resistant

Declension

Declension of teasdíonach

Positive	singular		plural
	masculine	feminine	strong noun	weak noun
nominative	teasdíonach	theasdíonach	teasdíonacha; theasdíonacha2
vocative	theasdíonaigh		teasdíonacha
genitive		teasdíonaí	teasdíonacha	teasdíonach
dative	teasdíonach; theasdíonach1	theasdíonach; theasdíonaigh (archaic)	teasdíonacha; theasdíonacha2
Comparative	níos teasdíonaí
Superlative	is teasdíonaí

¹ When the preceding noun is lenited and governed by the definite article.
² When the preceding noun ends in a slender consonant.

Mutation

Mutated forms of teasdíonach

radical	lenition	eclipsis
teasdíonach	theasdíonach	dteasdíonach

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) “teasdíonach”, in Foclóir Gaeilge–Béarla, Dublin: An Gúm, →ISBN
• de Bhaldraithe, Tomás (1959) “teasdíonach”, in English-Irish Dictionary, An Gúm
• “teasdíonach”, in New English-Irish Dictionary, Foras na Gaeilge, 2013-2025