acidify

/ə'sidifai/
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Thân thiện
Definition
  1. Verb (transitive):
    • To make something acidic or sour; to convert into an acid or increase the acidity of a substance.
  2. Verb (intransitive):
    • To become acidic or sour.
Usage
  • As a transitive verb, "acidify" means to cause a change in the chemical properties of a substance, lowering its pH level. It is commonly used in scientific, environmental, and culinary contexts.
  • As an intransitive verb, "acidify" describes the process by which a substance undergoes this chemical change on its own.
Examples
  • Transitive use:
    • Industrial emissions can acidify rainwater, creating acid rain.
    • The chef used lemon juice to acidify the sauce, giving it a tangy flavor.
  • Intransitive use:
    • The milk began to acidify after being left out of the refrigerator for too long.
    • Over time, the soil in the region will acidify due to the specific type of pine trees.
Advanced Usage
  • "Acidify a solution": A common phrase in chemistry meaning to add an acid to a liquid to lower its pH.
    • The lab procedure requires you to acidify the solution with hydrochloric acid.
  • Environmental context: Often used to describe the negative impact on ecosystems, particularly oceans and lakes.
    • Rising carbon dioxide levels are causing the oceans to acidify at an alarming rate.
Variants and Related Words
  • Acidification (n): The process of becoming or making something acidic.
    • Ocean acidification is a major threat to coral reefs.
  • Acidifier (n): A substance used to cause acidification.
    • Citric acid is a common food acidifier.
Synonyms
  • Sour (verb): To make or become sour (often used for taste).
  • Acidulate (verb): To make slightly acidic (a more technical synonym).
Antonyms
  • Alkalize / Basify (verb): To make alkaline or basic; to raise the pH.
  • Neutralize (verb): To make a substance neither acidic nor basic.
Related Phrases
  • To acidify the environment: Refers to human activities that increase the acidity of natural systems.
    • Certain agricultural practices can acidify the environment.
Verb
  1. turn acidic
    • the solution acetified
  2. make sour or more sour

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