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To oxidize in Irish (ocsaídigh): Meaning, Conjugation, Examples

The Irish for to oxidize is ocsaídigh; ag ocsaídiú is oxidizing.
Updated October 2026Report a mistake

How to say “to oxidize” in Irish

Irish:
ocsaídigh
English:
to oxidize
Word type:
verb, second-conjugation
Verbal noun:
ocsaídiú (ag ocsaídiú, oxidizing)
Verbal adjective:
ocsaídithe
Pronunciation:
“OK-see-dee”  /ˈɔksiːdʲiː/

What does “ocsaídigh” mean?

to oxidize
To combine with oxygen, or to cause something to combine with oxygen, as when metal rusts.Also: oxidise, rust, corrode.

“Ocsaídigh” in the different tenses

Every form follows An Caighdeán Oifigiúil.

Aimsir Chaite (Past)

PersonPositiveNegativeQuestion
mé (I)D'ocsaídigh méI oxidizedNíor ocsaídigh méI did not oxidizeAr ocsaídigh mé?Did I oxidize?
tú (you)D'ocsaídigh túYou oxidizedNíor ocsaídigh túYou did not oxidizeAr ocsaídigh tú?Did you oxidize?
sé / sí (he / she)D'ocsaídigh sé / síHe oxidizedNíor ocsaídigh sé / síHe did not oxidizeAr ocsaídigh sé / sí?Did he oxidize?
sinn (we)D'ocsaídíomarWe oxidizedNíor ocsaídíomarWe did not oxidizeAr ocsaídíomar?Did we oxidize?
sibh (you, plural)D'ocsaídigh sibhYou oxidizedNíor ocsaídigh sibhYou did not oxidizeAr ocsaídigh sibh?Did you oxidize?
siad (they)D'ocsaídigh siadThey oxidizedNíor ocsaídigh siadThey did not oxidizeAr ocsaídigh siad?Did they oxidize?
saorbhriathar (autonomous)OcsaídíodhNíor ocsaídíodhAr ocsaídíodh?

Aimsir Láithreach (Present)

PersonPositiveNegativeQuestion
mé (I)OcsaídímI oxidizeNí ocsaídímI do not oxidizeAn ocsaídím?Do I oxidize?
tú (you)Ocsaídíonn túYou oxidizeNí ocsaídíonn túYou do not oxidizeAn ocsaídíonn tú?Do you oxidize?
sé / sí (he / she)Ocsaídíonn sé / síHe oxidizesNí ocsaídíonn sé / síHe does not oxidizeAn ocsaídíonn sé / sí?Does he oxidize?
sinn (we)OcsaídímidWe oxidizeNí ocsaídímidWe do not oxidizeAn ocsaídímid?Do we oxidize?
sibh (you, plural)Ocsaídíonn sibhYou oxidizeNí ocsaídíonn sibhYou do not oxidizeAn ocsaídíonn sibh?Do you oxidize?
siad (they)Ocsaídíonn siadThey oxidizeNí ocsaídíonn siadThey do not oxidizeAn ocsaídíonn siad?Do they oxidize?
saorbhriathar (autonomous)OcsaídítearNí ocsaídítearAn ocsaídítear?

Aimsir Fháistineach (Future)

PersonPositiveNegativeQuestion
mé (I)Ocsaídeoidh méI will oxidizeNí ocsaídeoidh méI will not oxidizeAn ocsaídeoidh mé?Will I oxidize?
tú (you)Ocsaídeoidh túYou will oxidizeNí ocsaídeoidh túYou will not oxidizeAn ocsaídeoidh tú?Will you oxidize?
sé / sí (he / she)Ocsaídeoidh sé / síHe will oxidizeNí ocsaídeoidh sé / síHe will not oxidizeAn ocsaídeoidh sé / sí?Will he oxidize?
sinn (we)OcsaídeoimidWe will oxidizeNí ocsaídeoimidWe will not oxidizeAn ocsaídeoimid?Will we oxidize?
sibh (you, plural)Ocsaídeoidh sibhYou will oxidizeNí ocsaídeoidh sibhYou will not oxidizeAn ocsaídeoidh sibh?Will you oxidize?
siad (they)Ocsaídeoidh siadThey will oxidizeNí ocsaídeoidh siadThey will not oxidizeAn ocsaídeoidh siad?Will they oxidize?
saorbhriathar (autonomous)OcsaídeofarNí ocsaídeofarAn ocsaídeofar?

Modh Coinníollach (Conditional)

PersonPositiveNegativeQuestion
mé (I)D'ocsaídeoinnI would oxidizeNí ocsaídeoinnI would not oxidizeAn ocsaídeoinn?Would I oxidize?
tú (you)D'ocsaídeofáYou would oxidizeNí ocsaídeofáYou would not oxidizeAn ocsaídeofá?Would you oxidize?
sé / sí (he / she)D'ocsaídeodh sé / síHe would oxidizeNí ocsaídeodh sé / síHe would not oxidizeAn ocsaídeodh sé / sí?Would he oxidize?
sinn (we)D'ocsaídeoimisWe would oxidizeNí ocsaídeoimisWe would not oxidizeAn ocsaídeoimis?Would we oxidize?
sibh (you, plural)D'ocsaídeodh sibhYou would oxidizeNí ocsaídeodh sibhYou would not oxidizeAn ocsaídeodh sibh?Would you oxidize?
siad (they)D'ocsaídeoidísThey would oxidizeNí ocsaídeoidísThey would not oxidizeAn ocsaídeoidís?Would they oxidize?
saorbhriathar (autonomous)D'ocsaídeofaíNí ocsaídeofaíAn ocsaídeofaí?

“Ocsaídigh” in a sentence: Irish examples

Past, present, future and conditional, with a negative and a question.

D'ocsaídigh an t-iarann sa bháisteach.
The iron oxidized in the rain.
Ocsaídíonn miotail áirithe go tapa san aer.
Certain metals oxidize quickly in the air.
Ocsaídeoidh an copar le himeacht ama.
The copper will oxidize over time.
D'ocsaídeodh an miotal dá bhfágfaí amuigh é.
The metal would oxidize if it were left outside.
Ní ocsaídíonn ór go héasca.
Gold does not oxidize easily.
Ar ocsaídigh an tsubstaint le linn an turgnaimh?
Did the substance oxidize during the experiment?

Other verbs in Irish

More everyday Irish verbs to learn next.

To oxidize in Irish: frequently asked questions

What is the Irish for to oxidize?

The Irish for to oxidize is ocsaídigh (pronounced “OK-see-dee”). It is a second-conjugation verb; the verbal noun is ocsaídiú.

What is the verbal noun of ocsaídigh?

The verbal noun of ocsaídigh is ocsaídiú, used after ag for the continuous: ag ocsaídiú (oxidizing). The verbal adjective is ocsaídithe.

How do you say ocsaídigh in the past and the future?

Past: D'ocsaídigh mé; negative Níor ocsaídigh mé; question Ar ocsaídigh mé?. Future: Ocsaídeoidh mé; negative Ní ocsaídeoidh mé; question An ocsaídeoidh mé?.

What is the modh coinníollach of ocsaídigh?

The conditional (modh coinníollach) first person is D'ocsaídeoinn (I would oxidize); negative Ní ocsaídeoinn; question An ocsaídeoinn?.

Is 'ocsaídigh' the same as 'meirgigh'?

'Meirgigh' means to rust, used of iron in everyday speech, while 'ocsaídigh' is the general scientific term for oxidize.

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