vapour density

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vapour density

n
(General Physics) the ratio of the density of a gas or vapour to that of hydrogen at the same temperature and pressure. See also relative density
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Noun1.vapour density - the density of a gas relative to the density of hydrogenvapour density - the density of a gas relative to the density of hydrogen
relative density - the ratio of the density of something to the density of a standard
References in periodicals archive ?
Observing the vertical extra distribution information of the water vapour densities provided by the tomography it is shown on the second day, specifically on the hours prior to the intense rain (20h day 31 and 00h day 1) that the water vapour is more concentrated on the lower layers of the domain up to 1500 m, comparing with the peak registered on day 30.
While the new equation offers the same simplicity as the SRK equation and although both equations predict vapour densities and enthalpy values with reasonable accuracy, more accurate liquid density values can be obtained with the new equation.