## Related terms::Volume

### ::concepts

**Volume**::**volume** Center::style Radius::geometry Sphere::''h'' Height::cubic Manifold::integral**Related terms**
Volume and *capacity* are sometimes distinguished, with capacity being used for how much a container can hold (with contents measured commonly in litres or its derived units), and volume being how much space an object displaces (commonly measured in cubic metres or its derived units).

Volume and capacity are also distinguished in capacity management, where capacity is defined as volume over a specified time period. However, in this context the term volume may be more loosely interpreted to mean *quantity*.

The *density* of an object is defined as mass per unit volume. The inverse of density is *specific volume* which is defined as volume divided by mass. Specific volume is a concept important in thermodynamics where the volume of a working fluid is often an important parameter of a system being studied.

The volumetric flow rate in fluid dynamics is the volume of fluid which passes through a given surface per unit time (for example cubic meters per second [m^{3} s^{−1}]).

**Volume sections**

Intro Units Related terms Volume in calculus Volume formulas Volume formula derivations Volume in differential geometry Volume in thermodynamics See also References External links

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