Definition

1. Proper noun:
   • Svante August Arrhenius: A Swedish chemist and physicist, renowned for his foundational theory of chemical dissociation (electrolytic dissociation). He was awarded the Nobel Prize in Chemistry in 1903 for this work. His research also made significant contributions to understanding the greenhouse effect and the causes of ice ages.

Usage Examples

• Proper noun:
  • Svante August Arrhenius was awarded the Nobel Prize for his theory of electrolytic dissociation.
  • The work of Svante August Arrhenius laid the groundwork for modern electrochemistry.
  • Arrhenius, full name Svante August Arrhenius, was one of the founders of physical chemistry.

Advanced Usage

• "Arrhenius equation": A formula that describes the temperature dependence of reaction rates, named in his honor.
  • The Arrhenius equation is fundamental in chemical kinetics.
• "Arrhenius acid/base": Definitions classifying acids as substances that increase H⁺ ion concentration in water, and bases as substances that increase OH⁻ ion concentration.
  • According to the Arrhenius definition, hydrochloric acid is a typical acid.

Variants and Related Words

• Arrhenius (n): The shortened, most common form of the surname used to refer to the scientist.
  • Arrhenius's ideas were initially met with skepticism.
• Arrhenian (adj): Pertaining to the theories or work of Arrhenius (less common).
  • The Arrhenian model of dissociation was revolutionary.

Synonyms

• Scientist: A person engaged in science.
• Physical chemist: A chemist who applies physics to the study of chemical systems.
• Nobel laureate: A recipient of a Nobel Prize.

Related Phrases

• Theory of dissociation: His central theory explaining how electrolytes separate into ions in solution.
  • Arrhenius proposed the theory of dissociation in his doctoral thesis.
• Greenhouse effect calculation: His early quantitative work on how atmospheric carbon dioxide affects Earth's temperature.
  • Svante August Arrhenius was among the first to calculate the warming potential of CO₂.

Noun

1. Swedish chemist and physicist noted for his theory of chemical dissociation (1859-1927)