angle of iris
angle of iris n.
See filtration angle.
- Angle of jaw
angle of jaw angle of jaw n. The angle formed by the junction of the lower edge of the jawbone and the posterior edge of the ramus of the jawbone. Also called angle of mandible.
- Angle of lead
the phase difference, expressed in degrees, by which one sinusoidal function is moving ahead of a second having the same period, as alternating voltage moving ahead of the alternating current.
- Angle of pitch
the acute angle between the longitudinal axis of an aircraft or spacecraft and the direction of the wind relative to the vehicle.
- Angle of polarization
See under . the law that light will receive maximum polarization from a reflecting surface when it is incident to the surface at an angle (angle of polarization or polarizing angle) having a tangent equal to the index of refraction of the surface.