deviation

divi’ce-Son n. the deflection of the needle of a ship’s compa , owing to the magnetism of the iron in the ship, or other local cause. deviator ‘dii-vi,eta ». an apparatus attacht to a balloon by a rope and intended to trail along behind in the sea and thus deviate or turn the balloon from its normal course. dew djou. the mersture occurring in minute drops en the gra or any cool surface, due to the cendensation of the water-vapor in the air towards or during the night after a het day, and especially plentiful in the early morning. dew-bow ‘djou,boo 1. an iridescent bow or halo, seen on a surface coverd with dew; a rainbow-like effect caused by dewzdreps. dew-fall ‘djou,fc:! n. the fall, formation, or deposition of dew; a fall or depeszt of dew; also, the time when this begins, rn the evening. dew-point ‘djou,point. that pert or degree of the temperature of the air at which dew begins to form. complement of the dewzpoint, the number of degrees by which the temperature of the dewzpernt is below the temperature of the air; the depre ion of the dew-point. depre ion of the dewzpoint, the extent to which the sao point is deprest below the temperature of the air; the complement of the dewzpernt. dewzpoint apparatus, an apparatus for determining the dewzpeint. dewzpoint hygrometer, see under hygrometer. diagonal,dai’zgo-ni ”. a diagonal brace or stay in the framework of a flying-machine; a cre -stay. diaphragm ‘dai-o,fsem n. [also spelt diafram] a septum, membrane, sheet, or any thin partition, as that dividing one compartment of the gasbag of a balloon from another. diedral dai’ti-drot adj. same meaning as dihedral. diet hero scope,dai-1’Oeza,skop. an instrument for showing the refraction of the air in mirage. dihedral,dar’h1i-drat adj. [synonymous cegnate diedral] furnisht with, or containd by, two planes or plane faces: said of a pair of wings or aerofeils inclined upward and away from each other. dihedral angle, the solid angle formd by two planes; the inclination of two planes, as aeroplanes or wing-surfaces, which meet or approach each other usually at their lower edges. dilatation,dai-to’tee-Son n. the action or proce of dilatang; the state of being dilated; expansion, as of a balloon. dimensional di’men So-ni adj. relating, to dimension or magnitude: as, *dimensional theory.