| 单词 | density |
| 释义 | density (once / 1623 pages) n Density describes how compact or concentrated something is. For example, suppose you have two boxes, one large and one small. However, they both weigh the same. That means the small box has a higher density than the large box. Density also tells how concentrated or crowded something is. You may have heard of population density. In a city, there are many people packed into a small area, giving it a high population density. In a rural area, there are more fields or wooded areas between houses. That means there are fewer people living in a larger area, which is why it has a low population density. WORD FAMILYdensity: densities+/dense: densely, denseness, denser, densest, densification, density USAGE EXAMPLESForsythe and her colleagues used digital imaging software to calculate how a mathematical feature called fractal density varied in artists’ paintings over their careers. The Guardian(Dec 29, 2016) It also protects bones by increasing their density, an important perk for aging women. Time(Dec 28, 2016) One intense section was driven by bursts of chords that built in density and volume. New York Times(Dec 27, 2016) 1n the amount per unit size Syn|Hypo|Hyper denseness bits per inch, bpi a measure of how densely information is packed on a storage medium flux, flux density(physics) the number of changes in energy flow across a given surface per unit area absorbance, optical density, photographic density, transmission density(physics) a measure of the extent to which a substance transmits light or other electromagnetic radiation low density, rarity, tenuitya rarified quality relative densitythe ratio of the density of something to the density of a standard specific gravitythe density of a substance relative to the density of water vapor density, vapour densitythe density of a gas relative to the density of hydrogen compactness the consistency of a compact solid 2n the spatial property of being crowded together Syn|Ant|Hyper compactness, concentration, denseness, tightness dispersion, distribution the spatial or geographic property of being scattered about over a range, area, or volume spacing, spatial arrangement the property possessed by an array of things that have space between them |
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