…a measure of the amount of information on a storage medium…
…the amount of magnetic, electric, or other flux passing through a unit area…
…the frequency of occurrence of stars, particles, or other celestial objects, per specified volume of space…
…the electric charge per unit area of a surface, or per unit volume of a field or body…
…the amount of electric current flowing per unit cross-sectional area of a material…
…(of a disk) able to store twice as much information as other, older disks of the same physical size…
…the degree to which a refractive medium retards transmitted rays of light…
…the density of a particular gas or vapour relative to that of hydrogen at the same pressure and temperature…
…the ratio of the density of a substance to the density of a standard, usually water for a liquid or solid, and air for a gas…
…a kind of lipoprotein in blood plasma that promotes the transfer of cholesterol to the liver for excretion or reuse…
…the form of lipoprotein in which cholesterol is transported in the blood…
…a photographic or optical filter that absorbs light of all wavelengths to the same extent, causing overall dimming but no change in colour…
…a function of a continuous random variable, whose integral across an interval gives the probability that the value of the variable lies within the same interval…
