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单词 tonicity
释义

WordReference Random House Unabridged Dictionary of American English © 2024
to•nic•i•ty  (tō nisi tē),USA pronunciation n. 
  1. tonic quality or condition.
  2. the state of bodily tone.
  3. [Physiol.]the normal elastic tension of living muscles, arteries, etc., by which the tone of the system is maintained.
  • tonic + -ity 1815–25

Collins Concise English Dictionary © HarperCollins Publishers::
tonicity /təʊˈnɪsɪtɪ/ n
  1. the state, condition, or quality of being tonic
  2. another name for tonus
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