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Graham’s law
Gra·ham's law


noun 
Definition:
 
gas diffusion law: a law in chemistry relating the diffusion rate of a gas to the inverse square root of its density
[After Thomas Graham (1805-1869), Scottish chemist]
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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