comburimeter
noun
com·bu·rim·e·ter
ˌkämbyəˈrimətə(r)
plural -s
: an apparatus for determining the proportion of air required for the ideal combustion of a gas
comburimetry noun
-mə‧trē
plural -es
Word History
Etymology
International Scientific Vocabulary combur- (from Latin comburere to burn up) + -i- + -meter