corroer

Galician

Etymology

From Latin corrōdere.

Verb

corroer (first-person singular present corroio, first-person singular preterite corroín, past participle corroído)
corroer (first-person singular present corroo, first-person singular preterite corroim or corroí, past participle corroído, reintegrationist norm)

1. to corrode, erode
2. to gnaw

Conjugation

    Conjugation of corroer (irregular)

	Singular			Plural
	First-person (eu)	Second-person (ti)	Third-person (el / ela / Vde.)	First-person (nós)	Second-person (vós)	Third-person (eles / elas / Vdes.)
Infinitive
Impersonal	corroer
Personal	corroer	corroeres	corroer	corroermos	corroerdes	corroeren
Gerund
	corroendo
Past participle
Masculine	corroído			corroídos
Feminine	corroída			corroídas
Indicative
Present	corroio	corroes	corroe	corroemos	corroedes	corroen
Imperfect	corroía	corroías	corroía	corroïamos	corroïades	corroían
Preterite	corroín	corroíches	corroeu	corroemos	corroestes	corroeron
Pluperfect	corroera	corroeras	corroera	corroeramos	corroerades	corroeran
Future	corroerei	corroerás	corroerá	corroeremos	corroeredes	corroerán
Conditional	corroería	corroerías	corroería	corroeriamos	corroeriades	corroerían
Subjunctive
Present	corroia	corroias	corroia	corroiamos	corroiades	corroian
Imperfect	corroese	corroeses	corroese	corroésemos	corroésedes	corroesen
Future	corroer	corroeres	corroer	corroermos	corroerdes	corroeren
Imperative
Affirmative		corroe	corroia	corroiamos	corroede	corroian
Negative (non)		non corroias	non corroia	non corroiamos	non corroiades	non corroian

    Reintegrated conjugation of corroer (irregular) (See Appendix:Reintegrationism)

	Singular			Plural
	First-person (eu)	Second-person (ti / tu)	Third-person (ele / ela / você)	First-person (nós)	Second-person (vós)	Third-person (eles / elas / vocês)
Infinitive
Impersonal	corroer
Personal	corroer	corroeres	corroer	corroermos	corroerdes	corroerem
Gerund
	corroendo
Past participle
Masculine	corroído			corroídos
Feminine	corroída			corroídas
Indicative
Present	corroo, corroio1	corróis	corrói	corroemos	corroedes, corroeis	corroem
Imperfect	corroía	corroías	corroía	corroíamos	corroíades, corroíeis, corroíais1	corroíam
Preterite	corroim, corroí	corroeste, corroeche1	corroeu	corroemos	corroestes	corroêrom, corroeram
Pluperfect	corroera	corroeras	corroera	corroêramos	corroêrades, corroêreis, corroêrais1	corroeram
Future	corroerei	corroerás	corroerá	corroeremos	corroeredes, corroereis	corroerám, corroerão
Conditional	corroeria	corroerias	corroeria	corroeríamos	corroeríades, corroeríeis, corroeríais1	corroeriam
Subjunctive
Present	corroa, corroia1	corroas, corroias1	corroa, corroia1	corroamos, corroiamos1	corroades, corroais, corroiades1	corroam, corroiam1
Imperfect	corroesse	corroesses	corroesse	corroêssemos	corroêssedes, corroêsseis	corroessem
Future	corroer	corroeres	corroer	corroermos	corroerdes	corroerem
Imperative
Affirmative		corrói	corroa, corroia1	corroamos, corroiamos1	corroede, corroei	corroam, corroiam1
Negative (nom)		nom corroas, nom corroias1	nom corroa, nom corroia1	nom corroamos, nom corroiamos1	nom corroades, nom corroais, nom corroiades1	nom corroam, nom corroiam1

¹Less recommended.

Portuguese

Etymology

Learned borrowing from Latin corrōdere.

Pronunciation

 

• (Brazil) IPA^(key): /ko.ʁoˈe(ʁ)/ [ko.hoˈe(h)]

• (Brazil) IPA^(key): /ko.ʁoˈe(ʁ)/ [ko.hoˈe(h)]
  • (São Paulo) IPA^(key): /ko.ʁoˈe(ɾ)/ [ko.hoˈe(ɾ)]
  • (Rio de Janeiro) IPA^(key): /ko.ʁoˈe(ʁ)/ [ko.χoˈe(χ)]
  • (Southern Brazil) IPA^(key): /ko.ʁoˈe(ɻ)/ [ko.hoˈe(ɻ)]

 

• (Portugal) IPA^(key): /kuˈʁweɾ/

• (Portugal) IPA^(key): /kuˈʁweɾ/
  • (Southern Portugal) IPA^(key): /kuˈʁwe.ɾi/

• Hyphenation: cor‧ro‧er

Verb

corroer (first-person singular present corroo, first-person singular preterite corroí, past participle corroído)

1. (transitive) to corrode, erode
2. (transitive) to gnaw

Conjugation

    Conjugation of corroer (irregular) (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	corroer
Personal	corroer	corroeres	corroer	corroermos	corroerdes	corroerem
Gerund
	corroendo
Past participle
Masculine	corroído			corroídos
Feminine	corroída			corroídas
Indicative
Present	corroo, corrôo1	corróis	corrói	corroemos	corroeis	corroem
Imperfect	corroía	corroías	corroía	corroíamos	corroíeis	corroíam
Preterite	corroí	corroeste	corroeu	corroemos	corroestes	corroeram
Pluperfect	corroera	corroeras	corroera	corroêramos	corroêreis	corroeram
Future	corroerei	corroerás	corroerá	corroeremos	corroereis	corroerão
Conditional	corroeria	corroerias	corroeria	corroeríamos	corroeríeis	corroeriam
Subjunctive
Present	corroa	corroas	corroa	corroamos	corroais	corroam
Imperfect	corroesse	corroesses	corroesse	corroêssemos	corroêsseis	corroessem
Future	corroer	corroeres	corroer	corroermos	corroerdes	corroerem
Imperative
Affirmative		corrói	corroa	corroamos	corroei	corroam
Negative (não)		não corroas	não corroa	não corroamos	não corroais	não corroam

¹Superseded.

Further reading

• “corroer”, in Dicionário Aulete Digital (in Portuguese), Rio de Janeiro: Lexikon Editora Digital, 2008–2025
• “corroer”, in Dicionário inFormal (in Portuguese), 2006–2025
• “corroer” in Dicionário Aberto based on Novo Diccionário da Língua Portuguesa de Cândido de Figueiredo, 1913
• “corroer”, in Dicionário infopédia da Lingua Portuguesa (in Portuguese), Porto: Porto Editora, 2003–2025
• “corroer”, in Michaelis Dicionário Brasileiro da Língua Portuguesa (in Portuguese), São Paulo: Editora Melhoramentos, 2015–2025
• “corroer”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2025

Spanish

Etymology

Probably a semi-learned borrowing from Latin corrōdere.

Pronunciation

• IPA^(key): /koroˈeɾ/ [ko.roˈeɾ]
• Rhymes: -eɾ
• Syllabification: co‧rro‧er

Verb

corroer (first-person singular present corroo or corroigo or corroyo, first-person singular preterite corroí, past participle corroído)

1. (transitive) to corrode

Conjugation

    Conjugation of corroer (irregular) (See Appendix:Spanish verbs)

infinitive			corroer
gerund			corroyendo
past participle				masculine		feminine
		singular		corroído		corroída
		plural		corroídos		corroídas
		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	corroo, corroigo, corroyo	corroestú corroésvos	corroe	corroemos	corroéis	corroen
	imperfect	corroía	corroías	corroía	corroíamos	corroíais	corroían
	preterite	corroí	corroíste	corroyó	corroímos	corroísteis	corroyeron
	future	corroeré	corroerás	corroerá	corroeremos	corroeréis	corroerán
	conditional	corroería	corroerías	corroería	corroeríamos	corroeríais	corroerían
subjunctive		yo	tú vos	él/ella/ello usted	nosotros nosotras	vosotros vosotras	ellos/ellas ustedes
	present	corroa, corroiga, corroya	corroas, corroigas, corroyastú corroás, corroigás, corroyásvos2	corroa, corroiga, corroya	corroamos, corroigamos, corroyamos	corroáis, corroigáis, corroyáis	corroan, corroigan, corroyan
	imperfect (ra)	corroyera	corroyeras	corroyera	corroyéramos	corroyerais	corroyeran
	imperfect (se)	corroyese	corroyeses	corroyese	corroyésemos	corroyeseis	corroyesen
	future1	corroyere	corroyeres	corroyere	corroyéremos	corroyereis	corroyeren
imperative		—	tú vos	usted	nosotros nosotras	vosotros vosotras	ustedes
	affirmative		corroetú corroévos	corroa, corroiga, corroya	corroamos, corroigamos, corroyamos	corroed	corroan, corroigan, corroyan
	negative		no corroas, no corroigas, no corroyas	no corroa, no corroiga, no corroya	no corroamos, no corroigamos, no corroyamos	no corroáis, no corroigáis, no corroyáis	no corroan, no corroigan, no corroyan

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

    Selected combined forms of corroer (irregular)

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 corroer	dative	corroerme	corroerte	corroerle, corroerse	corroernos	corroeros	corroerles, corroerse
	accusative	corroerme	corroerte	corroerlo, corroerla, corroerse	corroernos	corroeros	corroerlos, corroerlas, corroerse
with gerund corroyendo	dative	corroyéndome	corroyéndote	corroyéndole, corroyéndose	corroyéndonos	corroyéndoos	corroyéndoles, corroyéndose
	accusative	corroyéndome	corroyéndote	corroyéndolo, corroyéndola, corroyéndose	corroyéndonos	corroyéndoos	corroyéndolos, corroyéndolas, corroyéndose
with informal second-person singular tuteo imperative corroe	dative	corróeme	corróete	corróele	corróenos	not used	corróeles
	accusative	corróeme	corróete	corróelo, corróela	corróenos	not used	corróelos, corróelas
with informal second-person singular voseo imperative corroé	dative	corroeme	corroete	corroele	corroenos	not used	corroeles
	accusative	corroeme	corroete	corroelo, corroela	corroenos	not used	corroelos, corroelas
with formal second-person singular imperative corroa, corroiga, corroya	dative	corróame, corróigame, corróyame	not used	corróale, corróigale, corróyale, corróase, corróigase, corróyase	corróanos, corróiganos, corróyanos	not used	corróales, corróigales, corróyales
	accusative	corróame, corróigame, corróyame	not used	corróalo, corróigalo, corróyalo, corróala, corróigala, corróyala, corróase, corróigase, corróyase	corróanos, corróiganos, corróyanos	not used	corróalos, corróigalos, corróyalos, corróalas, corróigalas, corróyalas
with first-person plural imperative corroamos, corroigamos, corroyamos	dative	not used	corroámoste, corroigámoste, corroyámoste	corroámosle, corroigámosle, corroyámosle	corroámonos, corroigámonos, corroyámonos	corroámoos, corroigámoos, corroyámoos	corroámosles, corroigámosles, corroyámosles
	accusative	not used	corroámoste, corroigámoste, corroyámoste	corroámoslo, corroigámoslo, corroyámoslo, corroámosla, corroigámosla, corroyámosla	corroámonos, corroigámonos, corroyámonos	corroámoos, corroigámoos, corroyámoos	corroámoslos, corroigámoslos, corroyámoslos, corroámoslas, corroigámoslas, corroyámoslas
with informal second-person plural imperative corroed	dative	corroedme	not used	corroedle	corroednos	corroeos	corroedles
	accusative	corroedme	not used	corroedlo, corroedla	corroednos	corroeos	corroedlos, corroedlas
with formal second-person plural imperative corroan, corroigan, corroyan	dative	corróanme, corróiganme, corróyanme	not used	corróanle, corróiganle, corróyanle	corróannos, corróigannos, corróyannos	not used	corróanles, corróiganles, corróyanles, corróanse, corróiganse, corróyanse
	accusative	corróanme, corróiganme, corróyanme	not used	corróanlo, corróiganlo, corróyanlo, corróanla, corróiganla, corróyanla	corróannos, corróigannos, corróyannos	not used	corróanlos, corróiganlos, corróyanlos, corróanlas, corróiganlas, corróyanlas, corróanse, corróiganse, corróyanse

Related terms

• corrosión f

Further reading

• “corroer”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8, Royal Spanish Academy [Spanish: Real Academia Española], 10 December 2024