(psychology) Depression experienced by a parent, usually the mother, after childbirth.

Alternative spelling of manic-depressive

A person with manic depression.

(clinical psychology, psychiatry, dated) A psychiatric diagnostic category, now called bipolar disorder, characterised by mood swings between great energy (manic) and clinical depression.

Exhibiting manic depression.

(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

(nautical) To cause the sidereal pole to appear lower or nearer the horizon, as by sailing toward the equator.

(psychology) The combination of depression and dysthymia.