vapour density

British  

noun

1. 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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Example Sentences

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vapour density

Sulphur at 860� C. is a gas with a vapour density of 2.2, while at 500� C. its vapour density rises to 6.6.

From The Mechanism of Life by Leduc, Stéphane

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 Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 3 "Convention" to "Copyright" by Various

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

From Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3 "Capefigue" to "Carneades" by Various