from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An instrument used to measure the boiling point of liquids
from the GNU version of the Collaborative International Dictionary of English
- n. An instrument for observing the boiling point of liquids, especially for determining the alcoholic strength of a mixture by the temperature at which it boils.
from The Century Dictionary and Cyclopedia
- n. An instrument by which the strength of spirit of wine is determined by the careful determination of its boiling-point.
From Latin ēbullīre + -scope. (Wiktionary)