1 [NEW!] Sports vocabulary : Words for popular American sports. [ 2 NEW!] Air Travel: Useful words for traveling on airplanes and through airports. 3  The Environment: Vocabulary related to environmental science and climate change.  Family members: Relatives and other important people.
diffusion coefficient see diffusion coefficient. coefficient of digestibility the proportion of a food that is digested compared to what is absorbed, expressed as a percentage. dilution coefficient a number that expresses the effectiveness of a disinfectant for a given organism.
The values shown are for diffusion in water (H2O) at 25 Â°C. 1  D is the diffusion coefficient of a solute in free solution. 2  x is the mean distance traveled by the diffusing solute in one direction along one axis after elapsed time t. 3  t is the elapsed time since diffusion began.