Medical Definition of BIPOLAR DISORDER. : any of several mood disorders characterized usually by alternating episodes of depression and mania or by episodes of depression alternating with mild nonpsychotic excitementâcalled also bipolar affective disorder, bipolar illness, manic depression, manic-depressive illness, manic-depressive psychosis; ....efinition of BIPOLAR DISORDER. : any of several psychological disorders of mood characterized usually by alternating episodes of depression and mania âcalled also manic depression, manic-depressive illness.
Algebra is a powerful and rich branch of mathematics that is useful in everyday life as well as business, engineering, and other technical fields.
Common Math Properties. The following math properties are formally introduced in algebra classes, but they are taught in many elementary schools. You probably don't even realize that you already know many of these properties. For example, the commutative property basically states you can add in any order: 6 + 5 is the same as 5 + 6.