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.
Master this subject with our full length step-by-step lessons! Lesson Summary: In this lesson, you'll learn what an expression is in algebra and why it is important. In addition, you'll learn how to identify the terms of an algebraic expression and the coefficients in front of the terms. This is very important material to master because virtually all algebra problems involve expressions. It will be important to know how to isolate terms and coefficients when working problems.