vapour density

British

noun

the ratio of the density of a gas or vapour to that of hydrogen at the same temperature and pressure See also relative density

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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What is the vapour density of C�sium?

From Project Gutenberg

This fact, coupled with the determination of the vapour density of the gas, establishes the molecular formula CO.

From Project Gutenberg

It melts at below red heat to a brown mass, and its vapour density at both red and white heat corresponds to the formula Cu2Cl2.

From Project Gutenberg

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