Excitability

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Excitability \Ex*cit"a*bil"i*ty\, n. [Cf. F. excitabilit['e].]
     1. The quality of being readily excited; proneness to be
        affected by exciting causes.
        [1913 Webster]
  
     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.
        [1913 Webster]

From WordNet (r) 2.0 [wn]:

  excitability
       n 1: excessive sensitivity of an organ or body part [syn: {irritability}]
       2: being easily excited [syn: {excitableness}, {volatility}]