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Density
01
densité
(physics) the degree to which a substance is compacted, measured by dividing its mass by its volume
Exemples
Air has a much lower density compared to water, which is why objects float in water but fall through air.
L'air a une densité beaucoup plus faible que l'eau, c'est pourquoi les objets flottent dans l'eau mais tombent dans l'air.
02
densité, concentration
the spatial property of having elements packed closely together, typically expressed as the number of units per given area or volume
Exemples
The forest survey measured tree density at 550 specimens per hectare.
L'enquête forestière a mesuré la densité des arbres à 550 spécimens par hectare.
03
the degree to which light is blocked or absorbed by a photographic filter or film, usually measured in stops or optical density units
Exemples
The technician calibrated the density of the photographic plate.
