The Collaborative International Dictionary
Gleucometer
Gleucometer \Gleu*com"e*ter\, n. [Gr. ? must + -meter: cf. F. gleucom[`e]tre.] An instrument for measuring the specific gravity and ascertaining the quantity of sugar contained in must.
Wiktionary
gleucometer
n. An instrument for measuring the specific gravity and ascertaining the quantity of sugar contained in must.