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substitution

/ˌsʌbstɪˈtjuːʃən/

noun

ikame, değiştirme

The action of replacing someone or something with another.

  • The coach made three substitutions in the second half.
  • Sugar substitution can help reduce calories.
  • Chemical engineers explored whether the substitution of renewable catalysts could reduce the environmental impact of industrial manufacturing processes.
  • The substitution of standardized tests with portfolio assessments has sparked considerable debate among educators and policymakers.
  • Nutritionists recommend the substitution of whole grains for refined carbohydrates to improve long-term cardiovascular health.
  • In organic chemistry, nucleophilic substitution reactions involve the replacement of one functional group with another in a molecular structure.