Mass per unit of volume of a substance. I.E. grams/cu.cm. or pounds/cu.ft.
Measure of the compactness of a substance; it is equal to its mass per unit volume and is measured in kg per cubic meter/lb per cubic foot. Density is a scalar quantity. The density D of a mass m occupying a volume V is given by the formula:
D = m/V
Relative density is the ratio of the density of a substance to that of water at 4şC.
In photography, density refers to the degree of opacity of a negative; in population studies, it is the quantity or number per unit of area; in electricity, current density is the amount of current passing through a cross-sectional area of a conductor in a given amount of time (usually given in amperes per sq in or per sq cm).
Gustoća, gustina, zbijenost (lat.)
Broj znakova po inču, kao na starim pisaćim mašinama. Neki stariji programi za obradu teksta još koriste ovakav tip merenja; na primer, pružaju vam mogućnost da štampate gustinom 10 ili 12 znakova po inču. U većini novijih programa za izražavanje veličine znakova koristi se tipografska tačka.
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