acid

US /ˈæs.ɪd/
UK /ˈæs.ɪd/
"acid" picture
1.

a chemical substance, usually a liquid, that contains hydrogen and has a pH of less than 7. Acids are corrosive and have a sour taste.

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Sulfuric acid is a strong corrosive substance.
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Lemon juice contains citric acid.
1.

having the properties of an acid; having a pH of less than 7

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The soil in this region is very acid.
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The fruit had a sharp, acid taste.
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sourtartacidicpungentsharp
:
acidicacid rainnucleic acidamino acidfatty acidascorbic acidfolic acid