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(), n.[L. depressio: cf. F. dpression.] 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 visi スポンサード リンク
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