eudiometry en · NOUN
Etymology
From eudiometer + -ry. Compare French eudiométrie.
Meanings
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(historical, uncountable) 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.
He also discussed eudiometry, and although Priestley had not achieved a sense of compound in the Lavoisian sense, he didn't make the mistake that Leslie did in assuming that nitrous acid was variable in the proportions of its ingredients.
2004, Robert E Schofield, The Enlightened Joseph Priestley, Penn State Press, published 2004, page 307: