Definitions for "Concentration gradient"
Regional differences in the concentration of a particular substance.
change in concentration of a solute across distance, as a gradient within a cell or across a membrane; if molecules are free to move, they will diffuse along the gradient from higher to lower concentrations.
a change in the concentration of a molecule or ion from one point to another
Keywords:  potential, energy, form
a form of potential energy
Keywords:  difference, areas, two
a difference in concentration between two areas