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relative density |
Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson | 0.03 sec. |
specific gravityor relative densityRatio of the density of a substance to that of a standard substance. For solids and liquids, the standard substance is usually water at 39.2°F (4.0°C), which has a density of 1.00 kg/liter. Gases are usually compared to dry air, which has a density of 1.29 g/liter at 32°F (0°C) and 1 atmosphere pressure. Because it is a ratio of two quantities that have the same dimensions (mass per unit volume), specific gravity has no dimension. For example, the specific gravity of liquid mercury is 13.6, because its actual density is 13.6 kg/liter, 13.6 times that of water. relative density [′rel·əd·iv ′den·səd·ē] (mechanics) How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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No relationship was found between the relative densities of mosquitoes collected and the finding of WNV-infected mosquitoes (Tables 3 and 4). The results rely on the relative densities in the early universe of matter and the mysterious entity believed to have revved up cosmic expansion. The image captured shows variations in density within a single material and the relative densities of materials in objects fabricated from multiple materials. |
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