Definition

1. Adjective:
   • Yielding an acid in aqueous solution: Describes a substance that, when dissolved in water, produces an acid, thereby increasing the concentration of hydrogen ions (H⁺) and lowering the pH of the solution.

Usage

• This term is primarily used in chemistry, geology, and environmental science to classify substances based on their chemical behavior in water.
• It describes the inherent property of a compound, not a temporary state.

Examples

• Adjective:
  • Sulfur dioxide is an acid-forming gas that contributes to acid rain.
  • Certain fertilizers are acid-forming and can lower the pH of soil over time.
  • The geologist noted that the rock was acid-forming, which could affect local water sources.

Advanced Usage

• In Soil Science: Used to describe amendments or minerals that increase soil acidity.
  • Peat moss is an acid-forming organic material often used for blueberry bushes.
• In Nutrition/Dietetics (Less Common): Sometimes used to describe foods that are metabolized to produce acid residues in the body (a concept in "acid-ash" diet theory).
  • Meat and grains are considered acid-forming foods in some dietary models.

Variants and Related Words

• Acidogenic (adj): A more technical synonym, often used in biochemistry and dentistry (e.g., acidogenic bacteria that produce acid from sugar).
• Acidifying (adj/verb): Describes the process of making something acidic. (Note: "Acid-forming" describes a property, while "acidifying" often describes an action or agent.)

Synonyms

• Acid-producing
• Acid-yielding

Antonyms

• Base-forming (or alkali-forming): Yielding a base in aqueous solution.
• Alkaline

Adjective

1. yielding an acid in aqueous solution