hydrochloric acid

Thân thiện

A scientist carefully pours hydrochloric acid into a beaker during an experiment.

Definition

1. Noun:
   • A strongly corrosive, colorless acid: Hydrochloric acid is an aqueous solution of hydrogen chloride gas (HCl). It is a highly corrosive, strong mineral acid.
   • A key digestive fluid: In biology, it refers to the dilute acid secreted by the stomach lining to aid in digestion.

Examples of Usage

• Noun:
  • Hydrochloric acid is commonly used in industrial cleaning and metal processing.
  • The stomach produces hydrochloric acid to break down proteins.

Advanced Usage

• "Concentrated hydrochloric acid": Refers to the acid in a high-purity, undiluted form, which is extremely hazardous.
  • Handling concentrated hydrochloric acid requires proper protective equipment.
• "Dilute hydrochloric acid": Refers to the acid mixed with water, reducing its concentration and corrosiveness.
  • The experiment called for a solution of dilute hydrochloric acid.

Variants and Related Words

• Hydrochloride (n): A salt formed when hydrochloric acid reacts with an organic base, often used in pharmaceuticals.
  • The medicine is available as a hydrochloride salt.
• Muriatric acid (n): A common, less pure industrial grade of hydrochloric acid.
  • Muriatric acid is often used for cleaning masonry.

Synonyms

• HCl: The chemical formula commonly used as a synonym.
• Spirit of salt: An archaic historical name for the acid.

Related Phrases

• "Hydrochloric acid solution": A phrase specifying the acid is dissolved in water.
  • The protocol requires a 1M hydrochloric acid solution.

Học thuật

Noun

1. an aqueous solution of hydrogen chloride; a strongly corrosive acid

Từ đồng nghĩa

• chlorohydric acid