adjective
acidic
uh-SIH-dihk
adjective
1
Having the properties of an acid; sour or having a pH below 7.
"Lemon juice is highly acidic."
"Acidic soil suits plants like blueberries and azaleas."
How to Use Acidic
Learner’s notesIn plain EnglishDescribes something that behaves like or contains an acid — sour-tasting or low on the pH scale.
Common pairings
acidic soil
acidic foods
highly acidic
Word Forms
more acidic comparative, most acidic superlative
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Lemon juice is highly _____.
Etymology
From "acid" plus the adjective ending "-ic."