The Collaborative International Dictionary
Elaiometer
Elaiometer \E`lai*om"e*ter\, n. [Gr. ? olive oil, oil + -meter.] (Chem.) An apparatus for determining the amount of oil contained in any substance, or for ascertaining the degree of purity of oil.
Wiktionary
elaiometer
n. (context chemistry English) An apparatus for determining the amount of oil contained in any substance, or for ascertaining the degree of purity of oil.