Density Altitude

Science / Weather / Density Altitude: The altitude at which a given density is found in the standard atmosphere. Used in aviation, it is computed from the station pressure at takeoff and the virtual temperature at the particular altitude under consideration.

Magnetic Flux Density

Technology / Home Audio / Magnetic Flux Density: The measurement of magnetic flux, in units of Gauss, inside the air gap in which a voice coil of a speaker operates. MORE

Low Density Lipoprotein (LDL)

Health / Fitness / Low Density Lipoprotein (LDL): A core of cholesterol surrounded by protein, often referred to as bad cholesterol. MORE

Keyword Density

Business / Internet Marketing / Keyword Density: Keywords as a percentage of indexable text words. MORE

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

Neutral Density

Entertainment / Photography / Neutral Density: Is a technique which makes possible shorter printing times in color printing. MORE

Neutral Density Filter

Entertainment / Photography / Neutral Density Filter: Describes a gray camera filter which has an equal opacity to all the colors of the spectrum and so does not affect the colors in the final image. It is used to reduce the amount of light entering the MORE