depressive disorder: a state of depression and anhedonia so severe as to require clinical intervention
affective disorder: any mental disorder not caused by detectable organic abnormalities of the brain and in which a major disturbance of emotions is predominant
hooker's onion: a common North American wild onion with a strong onion odor and an umbel of pink flowers atop a leafless stalk; British Columbia to California and Arizona and east to Wyoming and Colorado