from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of several devices used to estimate the proportion of butterfat in milk
from the GNU version of the Collaborative International Dictionary of English
- n. An instrument for determining the amount of fatty matter or butter contained in a sample of milk.
from The Century Dictionary and Cyclopedia
- n. An apparatus for ascertaining the amount of butter-fat in milk.
butyro- + -meter (Wiktionary)