(meteorology) organized low-pressure system of thunderclouds with closed surface circulation and maximum sustained winds of less than 34 knots (63 km) per hour.

The angle formed by the line of sight and the horizontal plane for an object below the horizontal.

Alternative form of anxiodepression

(psychology) The combination of depression and dysthymia.

(psychology) The controversial hypothesis that people suffering from depression actually have a more accurate perception of reality than those who do not have it.

plural of tropical depression

Either mild depression (the blues; symptoms include sadness and fatigue) or major depressive disorder.

plural of angle of depression

plural of manic depressive

plural of manic-depressive