英 [ˌmænɪk dɪˈpreʃən] 美 [ˌmænɪk dɪˈpreʃn]
双相情感障碍：一种心理疾病，表现为情绪波动剧烈，交替出现抑郁和躁狂的状态。
manic depression //
不可数名词 Manic depression is a medical condition in which a person sometimes feels excited and confident and at others feels very depressed. People now use the term to refer to this condition. 躁郁症
Going off the medication for her manic depression was a mistake.
她停止用药治疗自己的躁郁症是个错误。
a mental disorder characterized by episodes of mania and depression
同义词： bipolar disorder / manic depressive illness / manic-depressive psychosis
躁郁症
躁郁症(manic depression)一般而言是指个体时而出现忧郁的症状，时而又出现狂躁的症状，这两种症状不断交替出现，因此又称之为双极性疾患(bipolar disorde...
各种疾病发生概率： 精神病（neurological condition）：60% 躁狂抑郁症（manic depression）：42% 注意力缺陷障碍（attention deficit disorder）：89% 心脏病（heart disorder）：99% ……
... 习得性无助 learned helplessness 躁郁症/双极抑郁症 manic depression 纵向研究方法 longitudinal research/study ...
狂躁症（Manic Depression）: 情绪忽高忽低，如过山车。
躁郁症，躁狂抑郁状态
Going off the medication for her manic depression was a mistake.
她停止用药治疗自己的躁郁症是个错误。
Some researchers suggest this mental state might share neurochemical characteristics with the manic phase of manic depression.
一些研究员提到，这一心理状态可能和狂躁状态的躁郁症有相同的神经化学特征。
Jacob Ramsey copes with manic depression and says that after years on the street, he has gotten the help he needs and is helping others.
雅各布·拉姆西患有躁狂抑郁症。他说，流浪街头多年后，他终于得到了自己所需要的帮助，现在，他也在帮助别人。
Muffet had experimented with LSD when she was young, and received a diagnosis of manic depression.
Bipolar disorder, which is sometimes called manic depression, is marked by mood swings.
WSJ: Jesse Jackson Jr. Has Bipolar Disorder, Mayo Clinic Says
In regards to your particular question, bipolar disorder (also known as manic depression) is nothing but a description of a certain pattern of symptoms.