Search Result for "concentration gradient":
Wordnet 3.0

NOUN (1)

1. a gradient in concentration of a solute as a function of distance through a solution;
- Example: "the movement of a solute down its concentration gradient is called diffusion"



WordNet (r) 3.0 (2006):

concentration gradient
    n 1: a gradient in concentration of a solute as a function of
         distance through a solution; "the movement of a solute down
         its concentration gradient is called diffusion"