Englishfor English speakers
actual
Adjective
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An actual thing is one that exists; it is real.
People call me Peter, but my actual name is Pierre.
acidity
Noun
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The quality or state of being acid.
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The quality of sour; sourness to the taste, as in the acidity of lemon juice.
Empty stomachs lead to acidity and leave a sour taste in the mouth.
—
Excessive acid quality, as in gastric secretions.