Graham's law of diffusion
noun Physical Chemistry.
the principle that at a given temperature and pressure the rate of diffusion of a gas is inversely proportional to the square root of its density.
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On October 13, 2010, President Obama signed into law the “United States Plain Writing Act of 2010.” Thirteen years after President Clinton issued his own “Plain Writing in Government” memorandum, the revised set of guidelines states that by July of this year all government agencies must simplify the often perplexing bureaucratic jargon used in documents produced for the American public. Gone are the grammatically longwinded sentences, …
Origin of Graham's law of diffusion
First recorded in 1945–50; named after T. Graham
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019