a hydrometer is a glass tube weighted at the end
1Hydrometer — Not to be confused with Hygrometer. Hydrometer from Practical Physics Schematic drawing of a hydrometer. The lower the densi …
2hydrometer — hydrometric /huy dreuh me trik/, hydrometrical, adj. hydrometry, n. /huy drom i teuhr/, n. an instrument for determining the specific gravity of a liquid, commonly consisting of a graduated tube weighted to float upright in the liquid whose… …
