Zap vs Undefined - What's the difference?

As a noun zap

is peg, pin, spigot.

lacking a definition or value.

(en noun)

(colloquial) A sound made by a sudden release of electricity or some similar energy.

(colloquial) An electrical shock.

You might feel a little zap touching a metal doorknob when the air is dry.

(zapp)

To make a zapping sound.

To use a remote control to repeatedly change channels on a television.

To strike (something or someone) with electricity or energy, as by shooting.

They spent the whole movie zapping bad guys into oblivion.

To damage (especially electronics) with electrostatic discharge.

I think they zapped the processor.

To heat (something) in a microwave oven.

If it's not warm in the middle, zap it some more.

To delete or discard (electronic media).

They zapped a lot of files before realizing they had not backed up lately.

To further energize or charge (magnetic material).

They zapped my motor's magnets.

* Catalan: * Dutch: (l) * Galician: (l), (l) * German: (l) * French: (l), (l) * Spanish: (l), (l) * Sweddish: (l)

(en-interj)!

Representing the sound or action of a zap.

Then the computer went zap and I lost all my work.

(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