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.

(De*press"ive) a. Able or tending to depress or cast down.De*press"ive*ness, n.

(De*pres`so*mo"tor) a. (Med.) Depressing or diminishing the capacity for movement, as depressomotor nerves, which lower or inhibit muscular activity.n. Any agent that depresses the activity of the motor centers, as bromides, etc.

(De*press"or) n.

1. One who, or that which, presses down; an oppressor.

2. (Anat.) A muscle that depresses or tends to draw down a part.

Depressor nerve(Physiol.), a nerve which lowers the activity of an organ; as, the depressor nerve of the heart.

(Dep"ri*ment) a. [L. deprimens, p. pr. of deprimere. See Depress.] Serving to depress. [R.] "Depriment muscles." Derham.

(De*pri"sure) n. [F. dépriser to undervalue; pref. dé- (L. dis-) + priser to prize, fr. prix price, fr. L. pretium. See Dispraise.] Low estimation; disesteem; contempt. [Obs.]

3. (Zoöl.) Having the vertical diameter shorter than the horizontal or transverse; — said of the bodies of animals, or of parts of the bodies.

(De*press"ing*ly), adv. In a depressing manner.

(De*pres"sion) n. [L. depressio: cf. F. dépression.]

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.

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.

  By PanEris using Melati.

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