depression >> /dəˈprɛʃ(ə)n/
Definition: [noun] Feelings of severe despondency and dejection.
Example: self-doubt creeps in and that swiftly turns to depression
Definition: [noun] A long and severe recession in an economy or market.
Example: the depression in the housing market
Definition: [noun] The action of lowering something or pressing something down.
Example: depression of the plunger delivers two units of insulin
Definition: [noun] A region of lower atmospheric pressure, especially a cyclonic weather system.
Example: hurricanes start off as loose regions of bad weather known as tropical depressions
Definition: [noun] The angular distance of an object below the horizon or a horizontal plane.
Example: Angular depressions at the base of siltstone laminae represent casts of halite that was dissolved by lower-salinity waters that introduced silt.