acidic
uh-SIH-dihk
Acidic (adjective) means having the properties of an acid; sour or having a pH below 7. Example: “Lemon juice is highly acidic.”
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
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Word forms
- Comparative
- more acidic
- Superlative
- most acidic
Fill the gap
Can you complete this real example?
Lemon juice is highly _____.
Etymology
From "acid" plus the adjective ending "-ic."
Synonyms
View more →Antonyms
alkaline
amphoteric
Related words
Frequently asked questions
What does “acidic” mean?
The word “acidic” means having the properties of an acid; sour or having a pH below 7. In plain terms, describes something that behaves like or contains an acid — sour-tasting or low on the pH scale.
How do you pronounce “acidic”?
“Acidic” is pronounced uh-SIH-dihk (/əˈsɪ.dɪk/ in IPA).
How do you use “acidic” in a sentence?
Here is “acidic” used in a sentence: “Lemon juice is highly acidic.”
What part of speech is “acidic”?
“Acidic” is an adjective.
Is “acidic” a common word?
“Acidic” is an uncommon word in modern English, usually learned at around the C1 level.
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