Gain a better understanding of medical terminology by searching our dictionary of more than 1,300 terms.


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All terms that start with the letter D
  • dwarfism

    A deficiency of growth hormone resulting in short stature.

  • dysentery

    Infection of the intestine resulting in severe diarrhea and cramps, frequently associated with blood or mucus in the stools.

  • dysmenorrhea

    Painful menstruation.

  • dyspepsia


  • dysphagia

    Difficulty swallowing.

  • dyspnea

    Labored breathing.