An inclined part of a road or railway; a slope
the gradient of Miller's Hill Road is less steep than it was fifty years ago
= ruling grade.
A continuous increase or decrease in the concentration of a particular chemical substance found on passing from one point to another.
A continuous increase or decrease in electric potential along a line between two points; the rate of change of electrical potential with distance.
The rate of change of pressure with distance, especially in the atmosphere or other fluid.
An alternation in the direction of a magnetic field in passing from one magnet to another; (usually attributive) designating a type of synchrotron which utilizes magnets whose magnetic fields point in alternate directions, enabling the particles to be focused in both vertical and horizontal planes.
The rate at which the temperature increases with depth below the surface of the ground or the surface of a lake.