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An instrument for measuring angles, in surveying, etc. It resembles

Half the gorge, or entrance into a bastion, taken from the angle of the flank to the center of the bastion.

Angle of depression (Geod.), one which a descending line makes with a horizontal plane. -- Depression of the dewpoint (Meteor.), the number of degreees 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.…

ng freely, in consequence of the rotation of the earth. -- Deviation of the compass, the angle which the needle of a ship's compass makes with the magnetic meridian by reason of the magnetism of the iron parts of the ship. -- Deviation of the line of the vertical, the difference between the actual direction of a plum…

The goosefish or angler (Lophius), and other allied fishes. See Angler.

Joining two not adjacent angles of a quadrilateral or multilateral figure; running across from corner to corner; crossing at an angle with one of the sides. Diagonal bond (Masonry), herringbone work. See Herringbone, a. -- Diagonal built (Shipbuilding), built by forming the outer skin of two layers of planking, making…

A method of surveying, especially in mines, in which the bearings of the courses, or the angles which they make with each other, are determined by means of the circumferentor.

the phenomena of, diamagnetism; taking, or being of a nature to take, a position at right angles to the lines of magnetic force. See Paramagnetic. Diamagnetic attraction. See under Attraction.

ometrical figure, consisting of four equal straight lines, and having two of the interior angles acute and two obtuse; a rhombus; a lozenge.

Having two angles. Smart.

Having two plane faces; as, the dihedral summit of a crystal. Dihedral angle, the angular space contained between planes which intersect. It is measured by the angle made by any two lines at right angles to the two planes.

angular depression of the seen or visible horizon below the true or natural horizon; the angle at the eye of an observer between a horizontal line and a tangent drawn from the eye to the surface of the ocean. -- Dip of the needle, or Magnetic dip, the angle formed, in a vertical plane, by a freely suspended magnetic…

To disentangle; to free from perplexity; to extricate from confusion. Vaillant has disembroiled a history that was lost to the world before his time. Addison.

To release from that with which anything is engaged, engrossed, involved, or entangled; to extricate; to detach; to set free; to liberate; to clear; as, to disengage one from a party, from broils and controversies, from an oath, promise, or occupation; to disengage the affections a favorite pursuit, the mind from study…

To disentangle. [R.] "To disintricate the question." Sir W. Hamilton.

To uncover; to unfold or unroll; to disentangle. [R.] Dr. H. More.

es; to disjoint a fowl in carving. Yet what could swords or poisons, racks or flame, But mangle and disjoint the brittle frame Prior.

e of metal, which is in a plane passing through the axis of the gun, always makes a small angle with the axis. Eng. Cys.

g.), the separation of the optic axes in biaxial crystals, due to the fact that the axial angle has different values for the different colors of the spectrum.

ned, upheld, or claimed, by another; to discuss; to reason; to debate; to altercate; to wrangle. Therefore disputed [reasoned, Rev. Ver .] he in synagogue with the Jews. Acts xvii. 17.