• (n.) An instrument for measuring the volume or the tension of any vapor; specifically, an instrument of this sort used as an alcoholometer in testing spirituous liquors. Found on http://thinkexist.com/dictionary/meaning/vaporimeter/
Vap`o·rim'e·ter noun [ Vapor + - meter .] An instrument for measuring the volume or the tension of any vapor; specifically, an instrument of this sort used as an alcoholometer in testing spirituous liquors. Found on http://www.encyclo.co.uk/webster/V/6