excitability Meaning, Definition & Usage

  1. noun excessive sensitivity of an organ or body part
    irritability.
  2. noun being easily excited
    excitableness; volatility.

WordNet

Ex*cit"a*bil"i*ty noun
Etymology
Cf. F. excitabilité.
Definitions
  1. The quality of being readily excited; proneness to be affected by exciting causes.
  2. (Physiol.) The property manifested by living organisms, and the elements and tissues of which they are constituted, of responding to the action of stimulants; irritability; as, nervous excitability.

Webster 1913