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Medical Term:


Pronunciation: ten′shŭn


  1. The act of stretching.
  2. The condition of being stretched or tense, or a stretching or pulling force.
  3. The partial pressure of a gas, especially that of a gas dissolved in a liquid such as blood.
  4. Mental, emotional, or nervous strain; strained relations or barely controlled hostility between people or groups.

[L. tensio, fr. tendo, pp. tensus, to stretch]