diffusion diameter
diffusion diameter
[di′fyü·zhən dī‚am·əd·ər] (statistical mechanics)
For a gas, the diameter of identical hard spheres that display the same diffusion as that observed for the molecules of the actual gas when their motion is treated classically.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive
Incubation continued until test samples showed well-defined dark circles with
diffusion diameters (d) of 2.0-15.0 mm.
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