Hypertext Webster Gateway: "depression"

From Webster's Revised Unabridged Dictionary (1913) (web1913)

Depression \De*pres"sion\, n. [L. depressio: cf. F.
d['e]pression.]
1. The act of depressing.

2. The state of being depressed; a sinking.

3. A falling in of the surface; a sinking below its true
place; a cavity or hollow; as, roughness consists in
little protuberances and depressions.

4. Humiliation; abasement, as of pride.

5. Dejection; despondency; lowness.

In a great depression of spirit. --Baker.

6. Diminution, as of trade, etc.; inactivity; dullness.

7. (Astron.) The angular distance of a celestial object below
the horizon.

8. (Math.) The operation of reducing to a lower degree; --
said of equations.

9. (Surg.) A method of operating for cataract; couching. See
{Couch}, v. t., 8.

{Angle of depression} (Geod.), one which a descending line
makes with a horizontal plane.

{Depression of the dewpoint} (Meteor.), the number of degrees
that the dew-point is lower than the actual temperature of
the atmosphere.

{Depression of the pole}, its apparent sinking, as the
spectator goes toward the equator.

{Depression of the visible horizon}. (Astron.) Same as {Dip
of the horizon}, under {Dip}.

Syn: Abasement; reduction; sinking; fall; humiliation;
dejection; melancholy.

From WordNet (r) 1.7 (wn)

depression
n 1: a mental state characterized by a pessimistic sense of
inadequacy and a despondent lack of activity [ant: {elation}]
2: a long-term economic state characterized by unemployment and
low prices and low levels of trade and investment [syn: {slump},
{economic crisis}]
3: a sunken or depressed geological formation [syn: {natural
depression}] [ant: {natural elevation}]
4: sad feelings of gloom and inadequacy
5: a time period during the 1930s when there was a worldwide
economic depression and mass unemployment [syn: {Depression},
{the Depression}, {the Great Depression}]
6: an air mass of lower pressure; often brings precipitation;
"a low moved in over night bringing sleet and snow" [syn:
{low}, {low pressure}]
7: a state of depression and anhedonia so severe as to require
clinical intervention [syn: {depressive disorder}, {clinical
depression}]
8: a concavity in a surface produced by pressing; "he left the
impression of his fingers in the soft mud" [syn: {impression},
{imprint}]
9: angular distance below the horizon (especially of a
celestial object)
10: pushing down; "depression of the space bar on the
typewriter"


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