Noun

(lb) An area that is lower in topography than its surroundings.

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*:It was not far from the house; but the ground sank into a depression there, and the ridge of it behind shut out everything except just the roof of the tallest hayrick. As one sat on the sward behind the elm, with the back turned on the rick and nothing in front but the tall elms and the oaks in the other hedge, it was quite easy to fancy it the verge of the prairie with the backwoods close by.

(lb) In psychotherapy and psychiatry, a state of mind producing serious, long-term lowering of enjoyment of life or inability to visualize a happy future.

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(lb) In psychotherapy and psychiatry, a period of unhappiness or low morale which lasts longer than several weeks and may include ideation of self-inflicted injury or suicide.

(lb) An area of lowered air pressure that generally brings moist weather, sometimes promoting hurricanes and tornadoes.

(lb) A period of major economic contraction.

Four consecutive quarters of negative, real GDP growth. See NBER.

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A lowering, in particular a reduction in a particular biological variable or the function of an organ, in contrast to elevation.

Noun

(en noun)

The indentation or depression made by the pressure of one object on or into another.

The overall effect of something, e.g., on a person.

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, title=(The Celebrity), chapter=1 , passage=The stories did not seem to me to touch life. […] They left me with the impression of a well-delivered stereopticon lecture, with characters about as life-like as the shadows on the screen, and whisking on and off, at the mercy of the operator.}}

A vague recalling of an event, a belief.

An impersonation, an imitation of the mannerisms of another individual.

An outward appearance.

(advertising) An online advertising performance metric representing an instance where an ad. is shown once.

(painting) The first coat of colour, such as the priming in house-painting etc.

(engraving) A print on paper from a wood block, metal plate, etc.