Lac-tôm'e-ter, n.

n. [Fr. lactomètre, from Lat. lac, lactis, milk, and Gr. μέτρον, measure; Sp. lactometro.]

1. An instrument for ascertaining the proportion of cream in milk, being a glass tube, or a series of glass tubes, graduated and filled with milk; a galactometer.
2. A kind of hydrometer for ascertaining the value of milk by noting its specific gravity.