float+hydrometer

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• Hydrometer — Not to be confused with Hygrometer. Hydrometer from Practical Physics Schematic drawing of a hydrometer. The lower the densi …   Wikipedia

• hydrometer — 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… …   Universalium

• hydrometer — hy•drom•e•ter [[t]haɪˈdrɒm ɪ tər[/t]] n. phs an instrument for determining the specific gravity of a liquid, commonly consisting of a graduated tube weighted to float upright in the liquid • Etymology: 1665–75 hy•dro•met•ric ˌhaɪ drəˈmɛ trɪk hy… …   From formal English to slang

• Automotive battery — 12 V, 40 Ah Lead acid car battery An automotive battery is a type of rechargeable battery that supplies electric energy to an automobile.[1] Usually this refers to an SLI battery (starting, lighting, ignition) to power the starter motor …   Wikipedia

• Car battery — A car battery is a type of rechargeable battery that supplies electric energy to an automobile [ Horst Bauer Bosch Automotive Handbook 4th Edition Robert Bosch GmbH, Stuttgart 1996 ISBN 0 8376 0333 1, pages 803 807 ] . Usually this refers to an… …   Wikipedia

• Relative density — Relative density, sometimes called specific density, is the ratio of the density of a substance to the density of a given reference material. If a substance s relative density is less than one then it is less dense than the reference; if greater… …   Wikipedia

• Buoyancy — The forces at work in buoyancy In physics, buoyancy (  / …   Wikipedia

• Ferdinand Oechsle — Christian Ferdinand Oechsle (December 26, 1774 – March 17, 1852) was a German mechanical workshop owner, goldsmith and inventor.[1] He is most noted for developing a method for measuring the must weight of the grape must in winemaking. The… …   Wikipedia

• Lead-acid battery — Batteries caption=A valve regulated lead acid battery EtoW=30 40 Wh/kg EtoS=60 75 Wh/L PtoW=180 W/kg|CtoDE=70% 92% EtoCP=7(sld ) 18(fld ) Wh/US$ [http://www.geocities.com/CapeCanaveral/Lab/8679/battery.html] SDR=3% 20%/month… …   Wikipedia

• Density — This article is about mass density. For other uses, see Density (disambiguation). The mass density or density of a material is defined as its mass per unit volume. The symbol most often used for density is ρ (the Greek letter rho). In some cases… …   Wikipedia

• specific gravity — specific gravity, adj. Physics. the ratio of the density of any substance to the density of some other substance taken as standard, water being the standard for liquids and solids, and hydrogen or air being the standard for gases. Also called… …   Universalium