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.
No, there is no reason to capitalize algebra there. It should be capitalized only when it is the first word in the sentence, the name of the textbook and you are calling it by name, or the name of a course, as in I'm taking Algebra I again this semester. The same goes for all other academic subjects.