Definition

1. Adjective:
   • Having a sour taste: Describes something that has a sharp, sour, or tart taste, similar to that of vinegar or lemon juice.
   • Having the properties of an acid; containing an acid: In chemistry, describes a substance or solution that has a high concentration of hydrogen ions, resulting in a pH value lower than 7.

Examples of Usage

• Adjective:
  • The fruit had an unpleasantly acidic flavor.
  • The soil in this region is too acidic for most plants to thrive.
  • Rainwater can become acidic due to air pollution.

Advanced Usage

• "acidic remark": A comment that is sharp, bitter, or sarcastic.
  • She made an acidic remark about his performance.
• "acidic personality": A metaphorical description of a person who is habitually sharp, critical, or unpleasant.
  • His acidic personality made him difficult to work with.

Variants and Related Words

• Acid (noun): A chemical substance with a pH less than 7 that can neutralize alkalis and typically has a sour taste.
  • Vinegar contains acetic acid.
• Acidity (noun): The level of acid in a substance; sourness.
  • The acidity of the wine balanced its sweetness.
• Acidify (verb): To make or become acidic.
  • The factory emissions can acidify the rainwater.

Synonyms

• Sour: Having an acid taste like lemon or vinegar.
• Tart: Sharp or acid in taste.
• Acidulous: Slightly acidic or sharp in taste or manner.

Antonyms

• Alkaline: Having a pH greater than 7; basic.
• Sweet: Having the pleasant taste characteristic of sugar.

Related Phrases

• Acidic solution: A liquid mixture with a pH below 7.
  • The chemist tested the liquid and confirmed it was an acidic solution.

Adjective

1. being sour to the taste
2. being or containing an acid; of a solution having an excess of hydrogen atoms (having a pH of less than 7)