Definition

1. Noun:
   • A colorless, nonflammable liquid chemical compound: Carbon tetrachloride is a heavy, volatile liquid with the chemical formula CCl₄. It was historically used as a powerful solvent for fats, oils, and other substances, and as a refrigerant and fire extinguishing agent. Its use has been largely discontinued due to its high toxicity and environmental impact.

Usage Examples

• Noun:
  • The old laboratory manual warned against using carbon tetrachloride without proper ventilation.
  • Due to its toxicity, carbon tetrachloride is no longer found in household cleaning products.

Advanced Usage

• Industrial and Historical Context: The term is primarily used in scientific, industrial, safety, and historical contexts to discuss chemistry, industrial hazards, or the evolution of safety standards.
  • The phase-out of carbon tetrachloride is a case study in regulating persistent environmental toxins.

Variants and Related Words

• Tetrachloromethane: This is the systematic IUPAC name for the same compound, CCl₄.
• Carbon tet: A common informal abbreviation used in industrial and laboratory settings.
• Perchloromethane: An alternative chemical name.

Synonyms

• Tetrachloromethane (precise chemical synonym)
• Perchloromethane

Related Phrases

• "Carbon tetrachloride poisoning": A medical condition resulting from exposure to the compound, affecting the liver, kidneys, and nervous system.
  • Symptoms of acute carbon tetrachloride poisoning include nausea and dizziness.

Notes on Meaning

• The word specifically denotes the chemical compound CCl₄. Its meaning is technical and does not have idiomatic or figurative uses. Its primary associations are with its properties as a solvent, its toxicity, and its historical applications, which have been superseded by safer alternatives.

Noun

1. a colorless nonflammable liquid used as a solvent for fats and oils; because of its toxicity its use as a cleaning fluid or fire extinguisher has declined