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acid

noun B2 Neutral

Meaning

Acid is a chemical substance that donates protons or hydrogen ions and typically has a sour taste, often found in various foods and used in industrial processes.
💡 A common mistake is to confuse "acid" with "alkali," which are opposite in chemical properties.

Example Sentences

The acid in the bottle should be handled with great care .
The acid in the lemon makes it taste very sour .
The laboratory carefully measured the acid to ensure accurate results .

Word in Context

I was making a simple salad for lunch when I realised I had no dressing left . I sliced a lemon and added its juice , because the acid in the lemon gives the dressing a fresh , sharp flavour . I mixed olive oil , salt and pepper , and tasted it to check if the balance was right . While I ate , I thought about how small changes in ingredients can change a whole meal . The bright taste of lemon made the salad feel lighter and more satisfying than I expected .

Common Phrases

strong acid organic acid acid solution

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