definition of
temperament

[1] #1 temperament n. [disposition] your usual mood; "he has a happy disposition". wn

[2] #2 temperament n. excessive emotionalism or irritability and excitability (especially when displayed openly). wn

[3] #3 temperament n. an adjustment of the intervals (as in tuning a keyboard instrument) so that the scale can be used to play in different keys. wn