Englishfor English speakers
acidic
Adjective
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Something that is acidic has a pH level less than 7, is sour, and makes basic solutions more neutral.
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Something that is acidic has a high percentage of silica.
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Something that is acidic is of or related to acid or has the characteristics of an acid.
Lemon juice is an acidic solution
medium
Adjective
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A medium amount is an amount that is not small and not large, but in the middle.
Would you like a small, medium or large drink?
medium
Noun
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A medium is stuff that something moves through.
Light can go through different media: air, water, glass.
Sound waves slow down when they go through this kind of medium.
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A medium is a person who hears ideas that come from people who are dead.
We all closed our eyes, and the medium said "I hear your father speaking."
I don't believe those mediums can really hear anything.