Depression of the dewpoint
(gcide) | Depression \De*pres"sion\, n. [L. depressio: cf. F.
d['e]pression.]
1. The act of depressing.
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2. The state of being depressed; a sinking.
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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.
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4. Humiliation; abasement, as of pride.
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5. Dejection; despondency; lowness.
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In a great depression of spirit. --Baker.
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6. Diminution, as of trade, etc.; inactivity; dullness.
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7. (Astron.) The angular distance of a celestial object below
the horizon.
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8. (Math.) The operation of reducing to a lower degree; --
said of equations.
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9. (Surg.) A method of operating for cataract; couching. See
Couch, v. t., 8.
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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.
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