Density

Science / Geology / Density: The mass per unit volume of a substance, commonly expressed in grams/ cubic centimeter.
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High-Density Lipoproteins (HDL)

Health / Fitness / High-Density Lipoproteins (HDL): Known as High-Density Lipoproteins that has a function to remove cholesterol from the blood, carrying it to the liver. Often called good cholesterol. MORE

Background Density

Entertainment / Photography / Background Density: Density of any selection of a negative or print on which there is no image. Also referred to as fog level. MORE

Density Zoning

Business / Real Estate / Density Zoning: Zoning ordinances that restrict the maximum average number of houses per acre that may be built within a particular area, generally a subdivision. MORE

Density-Dependent Factors

Science / Marine Biology / Density-Dependent Factors: Factors, such as resource availability, that vary with population density MORE

Density Functional

Science / Chemistry / Density Functional: A model that describes the electronic structure of an atom or molecule by approximating the total energy as a function of electron density. MORE

Bone Density

Health / Fitness / Bone Density: Soundness of the bones within the body, low density can be a result of osteoporosis. MORE