depression

noun
de*pres*sion \ di-ˈpre-shən \ dē- \
15th century{ds||5|a|}
  • an act of depressing or a state of being depressed: such as
  • a state of feeling sad : low spirits : melancholy; specifically : a mood disorder that is marked by varying degrees of sadness, despair, and loneliness and that is typically accompanied by inactivity, guilt, loss of concentration, social withdrawal, sleep disturbances, and sometimes suicidal tendencies
  • a reduction in activity, amount, quality, or force

Depression glass

noun
Depression glass \
1971
  • tinted glassware machine-produced during the 1930s

angle of depression

noun phrase
angle of depression \
1758
  • the angle formed by the line of sight and the horizontal plane for an object below the horizontal

clinical depression

noun
clinical depression \
1937
  • a serious mood disorder involving one or more episodes of intense psychological depression or loss of interest or pleasure that lasts two or more weeks and is accompanied by irritability, fatigue, poor concentration, sleep disturbances, weight gain or loss, feelings of worthlessness or guilt, and sometimes suicidal tendencies : major depression, major depressive disorder

Great Depression

noun
Great Depression \
1930
  • the period of severe worldwide economic decline that began in 1929 and lasted throughout the 1930s and that was marked by deflation and widespread unemployment

major depression

noun
major depression \
1977
  • a serious mood disorder involving one or more episodes of intense psychological depression or loss of interest or pleasure that lasts two or more weeks and is accompanied by irritability, fatigue, poor concentration, sleep disturbances, weight gain or loss, feelings of worthlessness or guilt, and sometimes suicidal tendencies : clinical depression, major depressive disorder

manic depression

noun
manic depression \
1904
  • bipolar disorder

postpartum depression

noun
postpartum depression \
1929
  • a mood disorder involving intense psychological depression that typically occurs within one month after giving birth, lasts more than two weeks, and is accompanied by other symptoms (such as social withdrawal, difficulty in bonding with the baby, and feelings of worthlessness or guilt) —abbreviation PPD

unipolar depression

noun
unipolar depression \
1965
  • psychological depression not accompanied by mania; specifically : major depressive disorder

Qattara Depression:g

geographical name
Qat*ta*ra Depression \ kə-ˈtär-ə \
  • region of northwestern Egypt that is a low area 40 miles (64 kilometers) from the Mediterranean coast with its lowest point at 440 feet (134 meters) below sea level
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