1.
a particular state of mind or feelings.
2.
habit of mind, especially with respect to irritability or patience, outbursts of anger, or the like; disposition: an even temper.
3.
heat of mind or passion, shown in outbursts of anger, resentment, etc.
4.
calm disposition or state of mind: to be out of temper.
5.
a substance added to something to modify its properties or qualities