Medical Dictionary
Main Entry:
ir·ri·ta·bil·i·ty Pronunciation:
"ir-&t-&-'bil-&t-E Function:
noun Inflected Form:
plural -ties 1 : the property of protoplasm and of living organisms that permits them to react to stimuli
2 a : quick excitability to annoyance, impatience, oranger
b : abnormal or excessive excitability of an organ or part of the body (as the stomach or bladder)