Definitions for eudiometry
Random House Webster's College Dictionary
eu•di•om•e•terˌyu diˈɒm ɪ tər(n.)
a graduated glass measuring tube for gas analysis.
Origin of eudiometer:
1770–80; < Gk eúdio(s) clear, mild (der. of eudía clear weather
the art or process of determining the constituents of a gaseous mixture by means of the eudiometer, or for ascertaining the purity of the air or the amount of oxygen in it