Volatile vs Undefined - What's the difference?

As adjectives the difference between volatile and undefined

is that volatile is (physics) evaporating or vaporizing readily under normal conditions while undefined is lacking a definition or value.

(wikipedia volatile)

(en adjective)

(physics) evaporating or vaporizing readily under normal conditions.

(of a substance, informal) explosive.

(of a price etc) variable or erratic.

(of a person) quick to become angry or violent.

fickle.

temporary or ephemeral.

(of a situation) potentially violent.

(computing, of a variable) having its associated memory immediately updated with any changes in value.

(computing, of memory) whose content is lost when the computer is powered down

(obsolete) Passing through the air on wings, or by the buoyant force of the atmosphere; flying; having the power to fly.

* See also

* volatility * volatile memory

(wikipedia undefined) (-)

Lacking a definition or value.

(mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.

The result of division by zero is undefined .

* defined