irradiar

Portuguese

Pronunciation

 

• (Brazil) IPA^(key): /i.ʁa.d͡ʒiˈa(ʁ)/ [i.ha.d͡ʒiˈa(h)], (faster) /i.ʁaˈd͡ʒja(ʁ)/ [i.haˈd͡ʒja(h)]

• (Brazil) IPA^(key): /i.ʁa.d͡ʒiˈa(ʁ)/ [i.ha.d͡ʒiˈa(h)], (faster) /i.ʁaˈd͡ʒja(ʁ)/ [i.haˈd͡ʒja(h)]
  • (São Paulo) IPA^(key): /i.ʁa.d͡ʒiˈa(ɾ)/ [i.ha.d͡ʒiˈa(ɾ)], (faster) /i.ʁaˈd͡ʒja(ɾ)/ [i.haˈd͡ʒja(ɾ)]
  • (Rio de Janeiro) IPA^(key): /i.ʁa.d͡ʒiˈa(ʁ)/ [i.χa.d͡ʒiˈa(χ)], (faster) /i.ʁaˈd͡ʒja(ʁ)/ [i.χaˈd͡ʒja(χ)]
  • (Caipira) IPA^(key): /i.ʁa.d͡ʒiˈa(ɻ)/ [i.ha.d͡ʒiˈa(ɻ)], (faster) /i.ʁaˈd͡ʒja(ɻ)/ [i.haˈd͡ʒja(ɻ)]

 

• (Portugal) IPA^(key): /i.ʁɐˈdjaɾ/ [i.ʁɐˈðjaɾ]

• (Portugal) IPA^(key): /i.ʁɐˈdjaɾ/ [i.ʁɐˈðjaɾ]
  • (Southern Portugal) IPA^(key): /i.ʁɐˈdja.ɾi/

• Hyphenation: ir‧ra‧di‧ar

Verb

irradiar (first-person singular present irradio, first-person singular preterite irradiei, past participle irradiado)

1. to irradiate
2. (dated) to broadcast
   • 1936 February 15, “O carnaval carioca em Buenos Aires”, in O Cruzeiro, volume VIII, number 15, Rio de Janeiro, page 51:

     A Rádio Tupí em combinação com a estação argentina de “El Mundo”, que é a mais poderosa das broadcastings portenhas, irradiará no dia 20, de 20 ás 21 horas um programa especial de musica carnavalesca […]

     Rádio Tupi, alongside the Argentinian station “El Mundo”, which is the most powerful of the broadcasting companies from Buenos Aires, will broadcast in the 20th, from 8 to 9 pm, a special program of Carnaval songs.

Conjugation

    Conjugation of irradiar (See Appendix:Portuguese verbs)

	Singular			Plural
	First-person (eu)	Second-person (tu)	Third-person (ele / ela / você)	First-person (nós)	Second-person (vós)	Third-person (eles / elas / vocês)
Infinitive
Impersonal	irradiar
Personal	irradiar	irradiares	irradiar	irradiarmos	irradiardes	irradiarem
Gerund
	irradiando
Past participle
Masculine	irradiado			irradiados
Feminine	irradiada			irradiadas
Indicative
Present	irradio	irradias	irradia	irradiamos	irradiais	irradiam
Imperfect	irradiava	irradiavas	irradiava	irradiávamos	irradiáveis	irradiavam
Preterite	irradiei	irradiaste	irradiou	irradiamos1, irradiámos2	irradiastes	irradiaram
Pluperfect	irradiara	irradiaras	irradiara	irradiáramos	irradiáreis	irradiaram
Future	irradiarei	irradiarás	irradiará	irradiaremos	irradiareis	irradiarão
Conditional	irradiaria	irradiarias	irradiaria	irradiaríamos	irradiaríeis	irradiariam
Subjunctive
Present	irradie	irradies	irradie	irradiemos	irradieis	irradiem
Imperfect	irradiasse	irradiasses	irradiasse	irradiássemos	irradiásseis	irradiassem
Future	irradiar	irradiares	irradiar	irradiarmos	irradiardes	irradiarem
Imperative
Affirmative		irradia	irradie	irradiemos	irradiai	irradiem
Negative (não)		não irradies	não irradie	não irradiemos	não irradieis	não irradiem

¹Brazilian Portuguese.
²European Portuguese.

Derived terms

• irradiação

Further reading

• “irradiar”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026

Spanish

Pronunciation

• IPA^(key): /iraˈdjaɾ/ [i.raˈð̞jaɾ]
• Rhymes: -aɾ
• Syllabification: i‧rra‧diar

Verb

irradiar (first-person singular present irradio, first-person singular preterite irradié, past participle irradiado)

1. to irradiate

Conjugation

    Conjugation of irradiar (See Appendix:Spanish verbs)

infinitive			irradiar
gerund			irradiando
past participle				masculine		feminine
		singular		irradiado		irradiada
		plural		irradiados		irradiadas
		singular			plural
		1st person	2nd person	3rd person	1st person	2nd person	3rd person
indicative		yo	tú vos	él/ella/ello usted	nosotros nosotras	vosotros vosotras	ellos/ellas ustedes
	present	irradio	irradiastú irradiásvos	irradia	irradiamos	irradiáis	irradian
	imperfect	irradiaba	irradiabas	irradiaba	irradiábamos	irradiabais	irradiaban
	preterite	irradié	irradiaste	irradió	irradiamos	irradiasteis	irradiaron
	future	irradiaré	irradiarás	irradiará	irradiaremos	irradiaréis	irradiarán
	conditional	irradiaría	irradiarías	irradiaría	irradiaríamos	irradiaríais	irradiarían
subjunctive		yo	tú vos	él/ella/ello usted	nosotros nosotras	vosotros vosotras	ellos/ellas ustedes
	present	irradie	irradiestú irradiésvos2	irradie	irradiemos	irradiéis	irradien
	imperfect (ra)	irradiara	irradiaras	irradiara	irradiáramos	irradiarais	irradiaran
	imperfect (se)	irradiase	irradiases	irradiase	irradiásemos	irradiaseis	irradiasen
	future1	irradiare	irradiares	irradiare	irradiáremos	irradiareis	irradiaren
imperative		—	tú vos	usted	nosotros nosotras	vosotros vosotras	ustedes
	affirmative		irradiatú irradiávos	irradie	irradiemos	irradiad	irradien
	negative		no irradies	no irradie	no irradiemos	no irradiéis	no irradien

¹Rare; now chiefly used in legal language.
²Argentine and Uruguayan voseo prefers the tuteo-form for the present subjunctive.

    Selected combined forms of irradiar

These forms are generated automatically and may not actually be used. Pronoun usage varies by region.

		singular			plural
		1st person	2nd person	3rd person	1st person	2nd person	3rd person
with infinitive irradiar	dative	irradiarme	irradiarte	irradiarle, irradiarse	irradiarnos	irradiaros	irradiarles, irradiarse
	accusative	irradiarme	irradiarte	irradiarlo, irradiarla, irradiarse	irradiarnos	irradiaros	irradiarlos, irradiarlas, irradiarse
with gerund irradiando	dative	irradiándome	irradiándote	irradiándole, irradiándose	irradiándonos	irradiándoos	irradiándoles, irradiándose
	accusative	irradiándome	irradiándote	irradiándolo, irradiándola, irradiándose	irradiándonos	irradiándoos	irradiándolos, irradiándolas, irradiándose
with informal second-person singular tuteo imperative irradia	dative	irrádiame	irrádiate	irrádiale	irrádianos	not used	irrádiales
	accusative	irrádiame	irrádiate	irrádialo, irrádiala	irrádianos	not used	irrádialos, irrádialas
with informal second-person singular voseo imperative irradiá	dative	irradiame	irradiate	irradiale	irradianos	not used	irradiales
	accusative	irradiame	irradiate	irradialo, irradiala	irradianos	not used	irradialos, irradialas
with formal second-person singular imperative irradie	dative	irrádieme	not used	irrádiele, irrádiese	irrádienos	not used	irrádieles
	accusative	irrádieme	not used	irrádielo, irrádiela, irrádiese	irrádienos	not used	irrádielos, irrádielas
with first-person plural imperative irradiemos	dative	not used	irradiémoste	irradiémosle	irradiémonos	irradiémoos	irradiémosles
	accusative	not used	irradiémoste	irradiémoslo, irradiémosla	irradiémonos	irradiémoos	irradiémoslos, irradiémoslas
with informal second-person plural imperative irradiad	dative	irradiadme	not used	irradiadle	irradiadnos	irradiaos	irradiadles
	accusative	irradiadme	not used	irradiadlo, irradiadla	irradiadnos	irradiaos	irradiadlos, irradiadlas
with formal second-person plural imperative irradien	dative	irrádienme	not used	irrádienle	irrádiennos	not used	irrádienles, irrádiense
	accusative	irrádienme	not used	irrádienlo, irrádienla	irrádiennos	not used	irrádienlos, irrádienlas, irrádiense

Related terms

• radiante
• radiar

Further reading

• “irradiar”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025