Inklingo

ácido

AH-see-doh/ˈa.θi.ðo/ (Spain) | /ˈa.si.ðo/ (Latam)

ácido means sour in Spanish. It has 2 different meanings depending on context:

sour, acidic

Also: tart, sharp
A bright yellow lemon slice with a small, stylized cartoon face puckering intensely, indicating a sour taste.

📝 In Action

El limón es demasiado ácido para comerlo solo.

A1

The lemon is too sour to eat by itself.

El suelo en esta zona es muy ácido, por eso no crece nada.

B1

The soil in this area is very acidic; that's why nothing grows.

Hizo un comentario bastante ácido sobre mi nuevo peinado.

B2

He made a quite sharp (or cutting) comment about my new hairstyle.

Word Connections

Synonyms

  • agrio (sour, tart (often used for spoiled food))
  • acre (acrid, pungent)

Antonyms

  • dulce (sweet)
  • alcalino (alkaline, basic)

Common Collocations

  • sabor ácidosour taste
  • lluvia ácidaacid rain

acid

Also: sharpness
NounmB1neutral/formal
A simple glass laboratory beaker filled with bubbling, bright green liquid, stylized fumes rising from the top, signifying a chemical acid.

📝 In Action

El profesor nos enseñó las propiedades del ácido sulfúrico.

B1

The professor taught us the properties of sulfuric acid.

El ácido clorhídrico es esencial para la digestión.

B1

Hydrochloric acid is essential for digestion.

Necesitamos medir el nivel de ácido en la batería.

A2

We need to measure the acid level in the battery.

Word Connections

Antonyms

  • base (base (chemical))

Common Collocations

  • ácido desoxirribonucleico (ADN)deoxyribonucleic acid (DNA)
  • ácido cítricocitric acid

Translate to Spanish

Words that translate to "ácido" in Spanish:

acidacidic

✏️ Quick Practice

Quick Quiz: ácido

Question 1 of 2

Which sentence uses 'ácido' as a noun (the chemical substance)?

📚 More Resources

👥 Word Family
acidez(acidity, heartburn)Noun
acidular(to acidify, to make slightly sour)Verb
🎵 Rhymes
📚 Etymology

Comes directly from the Latin word 'acidus,' which meant 'sour' or 'sharp.' It has been used to describe this specific taste for centuries.

First recorded: Medieval Latin, entering Spanish in its modern form shortly thereafter.

Cognates (Related words)

Italian: acidoEnglish: acid

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Frequently Asked Questions

What is the difference between 'ácido' and 'agrio'?

'Ácido' usually refers to a natural sourness (like a lemon) or a chemical property. 'Agrio' often implies that something has gone bad or spoiled (like sour milk or bad wine), or a general unpleasant sourness.

Does 'ácido' have a figurative meaning?

Yes. When describing a tone, comment, or mood, 'ácido' means sharp, cutting, or sarcastic, suggesting it's unpleasant or critical.