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单词 reactivity
释义

WordReference Random House Unabridged Dictionary of American English © 2024
re•ac•tiv•i•ty  (rē′ak tivi tē),USA pronunciation n. 
  1. Chemistrythe quality or condition of being reactive.
  2. Chemistrythe relative capacity of an atom, molecule, or radical to undergo a chemical reaction with another atom, molecule, or compound.
  3. Chemistry, Physics[Physics.]a measure of the deviation from the condition at which a nuclear reactor is critical.
  4. Immunologythe ability of an antigen to combine with an antibody.
  • reactive + -ity 1885–90

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