Definition of "dyspnea"

dyspnea

/dɪspˈniː.ə/

noun
countable and uncountable, plural dyspneas
1. (pathology) Difficult or laboured respiration; shortness of breath.
  Quotations
  In a Diſpnœa, the breath is thick, vvithout noiſe or anhelation, and vvith leſs trouble.
  1655, Lazarus Riverius [i.e., Lazare Rivière], “Of Asthma, or Difficulty of Breathing”, in Nicholas Culpeper, Abdiah Cole, and William Rowland, transl., The Practice of Physick, […], London: […] Peter Cole, […], 7th book (Of the Diseases of the Breast), page 148
  During August the tumor again grew rapidly, causing dyspnœa, constipation and general malaise.
  1888, R[euben] Ludlam, “Lecture LIX. Ovariotomy.”, in Medical and Surgical Lectures on the Diseases of Women, a Clinical and Systematic Treatise. […], 6th edition, Chicago, Ill.: Halsey Brothers, page 962